Facebook. Share. Yes, that's right, RK Tek draws results from "real world" testing, 1245 Industrial Park Rd.Preston, ID  83263 Phone: 208-852-3221, Copyright © 2017 RK Tek - All Rights ReservedCreated by Mountain West Web Design. 5)MUCH better designed piston.. Stock pistons are .008" -.009" clearance after about 300 miles--> with a lousy geometry.. AKSNOWRIDER . $3,500.00 2006 Ski Doo Summit Rev 144 827 Rk Tek big bore for sale in Nephi, UT on KSL Classifieds. We frequently load videos on our YouTube Channel (HERE) Please check this channel for the latest Videos showcasing this great kit! Polaris Patriot 850 Dual Ring Direct Replacement Pistons. Related Pages. Log In. Der neueste, leistungsfähigste und vielseitigste RZR, der je gebaut wurde (64" breit) RK Tek is located in Preston, Idaho and is owned and operated by Kelsey and Rex (hence RK). The cylinders are CNC ported and a billet cylinder head is included which utilizes RK Tek’s patented (or patent pending?) Big Bore Kits / Replacement Parts. POLARIS > rk tek 858 big bore. 1992 Polaris Indy 500 Efi Sp Cylinder Head Heads Temp Sensor Liquid Cooled Nice. Showcasing our big variety of on sale! It ,REALLY, is that simple... No aftermarket pipes, cans, reeds, etc. Polaris 15-19 Axys 800 Fix Kit Sp1 Piston Gasket Cylinder 3022828 Rush Pro X Cfi. He can be abrasive but he knows his stuff. If you have any questionscall us anytime we're here to help. RK Tek is located in Preston, Idaho and is owned and operated by Kelsey and Rex (hence RK). PLEASE check out our YOUTUBE page for Videos of ALL of our Big Bore Engines, http://www.youtube.com/user/torqueline/videos. This kit has been on the snow for many seasons and has been performing flawlessly! Since its introduction, MANY other shops have also developed an 860 for this power-plant. Thanks for your imput!! Buy Scooter Big Bore & … Subscribe to our newsletter. $125 obo SLP Twin pipes (black) - fits 2002-2005 Polaris 700 RMK models. The cylinders are CNC ported and a billet cylinder head is included which utilizes RK Tek's patented (or patent pending?) Directly to your inbox. I have been researching this and I might give it a go. We ,PURPOSELY, designed this kit to run with MINIMAL changes over stock! RK Tek is located in Preston, Idaho and is owned and operated by Kelsey and Rex (hence RK). PLEASE NOTE:   You will need to CALL for this kit and you must send in your cylinders and RAVE valves in order for this kit to be completed. Your final settings can be different. The FUN FACTOR is increased like crazy when you have a platform this good that finally has some power behind it. - How many miles/ hours on the BB? Who all has expierience with this kit? hi Kelsey. My main concern about an overbore kit, not anyones in particular, is that if there is already the ocasional motor failure due to the bottom of the cylinder breaking off, Does it make sense to thin that cylinder out even more? Basically, install the 858 kit, control box of your choice, and MINOR clutching changes and you are ready to DOMINATE the mountain! Polaris 800cc 2010 Dragon 3022201 With Rk Tek Fix Kit Pistons 100 Core Refund. Starter ein eigen tråd for oss Polaris guttar/jenter som er innteressert og nysgjerrig på big bore kitet til Polaris 800cfi2 som Kelsey på RK Tek slipper i løpe av sommaren. Next step would be to go big bore and depending on the sled, you can see up to 185 horsepower! - YouTube The big bore kits feature the durability kit for more reliable performance.... and huge power! on a quiet night you can hear a 910 big bore sneaking away to hide !! RK TEK SKIDOO MXZ800/ 827 BIG BORE Here is PA resident Jeff Stranges’ RK Tek modified MXZ. What do you have to say about it? RK TEK SKIDOO MXZ800/ 827 BIG BORE Here is PA resident Jeff Stranges’ RK Tek modified MXZ. Press alt + / to open this menu. this is a complete turn key set-up. Rattle in motor. Choose your weapons wisely. It will completely transform your Pro from a zig/zag, I am powering out, up the hill type ride to a sled that will ACCELERATE up the hill with no fade! Enjoy the outdoors like never before with our innovative products! 2008-2009 Polaris . RK Tek 860 Big Bore Kit unboxing!! JmeiZ. Sure I'll buy your products. There are yet no reviews for this product. RK TEK 827 Big bore. The ETEC has a VERY smart computer and MANY sensors to give this computer inputs to what is needs and what it does not need. RK Tek sets itself apart from other performance shops by testing its products in the best lab in the world - the great outdoors. This kit is designed for the 2011 and newer PRO (2 Injector Engine). This over-bore turns your 600cc engine into a 662cc engine. RK-Tek 860 big bore - posted in REV-XP / XM Chassis - Mountain Sleds: I am looking at the rk tek 860 for my new T-3. Has anyone big bored any of their 800's from RK Tek on here, any brand? 300 miles. While there, now, exists many 860cc Big Bore kits not all are created equal. RK Tek is located in Preston, Idaho and is owned and operated by Kelsey and Rex (hence RK). RK Tek sets itself apart from other performance shops by testing its products in the best lab in the world - the great outdoors. Polaris: Pro-Ride. 2003 polaris rmk 800 vertical edge, has a 925 big bore kit with psi cylinders and adjustable heads, has psi carbs, v-force3 reeds, psi exhaust, upgraded tunnel and track and lots of other goodies. 2008-2009 Polaris … Prototypes or not it failed.. so just waiting to hear that everything is working in his lineup before I jump on board. high turbulence, textured squish bands. 2004 Skidoo MXZX 800. 22. RK Tek Arctic Cat ProCross 800/ 925 Big Bore Jim Czekala This new 2012 Arctic Cat ProCross 800 was modified for trail use for an anonymous trail rider (“Rider X”) who wanted to have fun with his pals who ride stock Arctic Cat Z1 turbo sleds. We have developed an 858 CFI Big Bore Kit that will make stockers look like 600's.. If you are looking for HUGE TORQUE and HP Gains.. then look no further. Featuring polaris 800 available for sale today. Rider X sent the stock cylinders to Kelsey at RK Tek for conversion to higher HP 925cc big bore. I got it at the end of the season but OHHHHH MAAANNN I wish I had had it all season!!! 95 800 HO - 1749. Compare to other "kits" that cost 2.5 times this amount. Polaris Patriot 850 Dual Ring Direct Replacement Pistons. NOTE: These are ONLY reference fuel settings.. Snowmobiles: Brands, Performance & Modifications. 00 Arctic Cat Zl600 Zl 600 99 01 02 Zr Efi Cylinder Head Heads Bolts Temp Sensor. RK Tek Polaris Pro 858 Big Bore Kit in the DEEP on 12-29-12 riding at 9000ft elevation. This setup really works well. He had this done by Smith Marine last year, and put 1000 trouble free trail/ lake miles on it in the Old Forge area last season. Share with: Link: Copy link. Yes, that's right, RK Tek draws results from "real world" testing Log In. VOHK. 08 summit x 800 163” Rk tek 860 big bore Dyno port pipe an can with cooker can Aftermarket running boards Storage bag under windshield Boss seat Full Klim wrap Engine rebuild last season one season on engine maybe 600km on rebuild Proof of rebuild 5200 obo Favourite. $6,800.00 Custom 2008 skidoo renegade 827 big bore electric start reverse Edmonton 24/11/2020. Just because there is no external fuel controller does NOT mean it is getting the same fuel as it was before the Big Bore. AND it … He had this done by Smith Marine last year, and put 1000 trouble free trail/ lake miles on it in the Old Forge area last season. We use the same piston in this kit that is used in out 738cc over-bore (600HO and 700 Series III Engine). Big bore kit 144cc Enduro Engine - 2 stroke KIPS, gaskets & WISECO $850 KX250 fits 1995 #1751 Big bore 295cc Ported plated cylinder, WISECO & gaskets $595. NOTE: RK Tek was the FIRST to develop this 860cc big bore. Yes, that's right, RK Tek draws results from "real world" testing View a wide selection of Snowmobiles Used and other great items on KSL Classifieds. RK TEK POLARIS 800CFI Drop In Piston Kit only $845 12HP gain . I have been researching this and I might give it a go. Doug Gardner. Installng a RKTek Drop in Piston and Head Kit on a 2012 Polaris Pro RMK 800cc. Get your Polaris 800 online! Polaris Slp 726 727 Heads Domes 12-7275 600 Big Bore. (PLEASE CALL FOR PRICING) I do know you , you have called me SEVERAL times … 22. 12,019 Posts #21 • Apr 29, 2016. jfaub63 said: 860 making 190 converts to 177 out of an 800. The 858 piston is actually LIGHTER than the OEM 85mm piston. RK TEK POLARIS 800CFI Dragon/RMK PRO BILLET HEAD only $465 . 8ci and has an unreal 5. 15 posts 1; 2; Next; rk tek 858 big bore rk tek 858 big bore. Yes, that's right, RK Tek draws results from "real world" testing RK Tek is in Preston, ID, not near sea level, so he tests mtn setups. (PLEASE CALL FOR PRICING) Polaris 850 Patriot MTNTK Blow Hole. BIG Plans for the New Polaris 850 engine! RK Tek sets itself apart from other performance shops by testing its products in the best lab in the world - the great outdoors. The RK Tek (www.2strokeheads.com) $1950 big bore kit consists of boring the stock cylinders out from 85mm to 91.5mm and fitting them with proprietary tight-fitting forged pistons. Sports Team. Create New Account. RK Tek sets itself apart from other performance shops by testing its products in the best lab in the world - the great outdoors. Arctic Cat Wildcat Trail/Sport BMP Bolt-On Kit or Slip … GS750 to 850 Big bore kit. Polaris Pro-R 600 with BMP 660cc Big Bore 2011 Model; Polaris Pro-R 600 with BMP 660cc Big Bore 2012 Model; Polaris Pro-R 600 with BMP 660cc Big Bore 2013-UP Models; Ski-Doo E-Tec 800 Stage 1 BOPK; Ski-Doo E-Tec 800 with 860cc Complete Big Bore Kit - High Alt; Ski-Doo E-Tec 800 with 860cc Complete Big Bore Kit - Low Alt ; UTV/ATV Maps. Accessibility Help. Polaris® Sportsman® ATV Announces 2019 Big Bore Lineup. RK Tek 2 Stroke Performance. Let's recap: First mods we recommend for your sled are a Durability + Bolt-On Performer Kit which would get you roughly 168-170 HP. 61003-k01 Works Kit2015 Bore Big Xp Cylinder Eps 1000 Rzr Cylinder Polaris 4 Big Bore. Arctic Cat Wildcat Trail/Sport BMP Bolt-On Kit or Slip … Jump to. The RK Tek (www.2strokeheads.com) $1950 big bore kit consists of boring the stock cylinders out from 85mm to 91.5mm and fitting them with proprietary tight-fitting forged pistons. By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access … Anyone else considered this? This kit uses your stock cylinders. 1) Increased Airflow, due to better flowing ports.. It was developed in December of 2006 (remember the 800R was introduced in the 2007 Summit model only). Yes, that's right, RK Tek draws results from "real world" testing, 1245 Industrial Park Rd.Preston, ID  83263 Phone: 208-852-3221, Copyright © 2017 RK Tek - All Rights ReservedCreated by Mountain West Web Design. Email or Phone: Password: Forgot account? Polaris IQR 860!! Runs great and has lots of power. Anyone else considered this? Has anyone big bored any of their 800's from RK Tek on here, any brand? ! So, this is no exception.. Create New Account. Polaris 02-05 800 Ves 85mm Std Cylinders Snow X Pistons Big Block Rmk Xcsp. This is a 2006 M7 with an RK Tec 800 Big Bore. Choose your weapons wisely. From this point on, all vendors/mfg's promoting Pre-Season tiered sales programs, in the Polaris Forums, that are not paid advertisers will be appropriately moved to the swapmeet section of the forums. the jaws pipe is the way to go to get the real big power, but with the dome's on my kit has to much comp to get real big power without race gas. First pull: 06 rev 800 with fresh rk tek 827 big bore kit install 98 99 00 01 Arctic Cat Zl600 Zl 600 Zr Efi Cylinder Head Heads Temp Sensor . Buy Polaris 800 on eBay now! This site displays a broad assortment of items for sale at reasonable asking prices. POLARIS > RK Tek Drop in kit is the real deal! This is huge in reducing stress on the crank and reducing piston side load forces! i do have a few questions.. 6,466. If you are ordering cheater heads, we will need to have your OEM heads to make the modifications. 95 800 HO - 1749. 08 summit x 800 163” Rk tek 860 big bore Dyno port pipe an can with cooker can Aftermarket running boards Storage bag under windshield Boss seat Full Klim wrap Engine rebuild last season one season on engine maybe 600km on rebuild Proof of rebuild 5200 obo It will install on the Dragon 4 injector engine but we have done ZERO testing with the Dragon 4 Injector Engine. rk tek 925 kite 184 hk-192+ hk koster $2350,- * dollarkurs * norsk mva , de ekstra $200,- er frakta t/r rk tek blir mest sannsynlig lagervare fra sommern/høsten i tillegg … If you are ordering cheater heads, we will need to have your OEM heads to make the modifications. Big bore kit 144cc Enduro Engine - 2 stroke KIPS, gaskets & WISECO $850 KX250 fits 1995 #1751 Big bore 295cc Ported plated cylinder, WISECO & gaskets $595. See more of RK Tek on Facebook. high turbulence, textured squish bands. Sign Up. or. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. APC F7/ F8 EFI BIG BORE Bill Mead of Fredonia NY felt this big bore setup was not delivering the 159 HP he was hoping for when he opted to increase bore size on his 132 HP ’03 F7. RK Tek is located in Preston, Idaho and is owned and operated by Kelsey and Rex (hence RK). Reliability is NOT compromised in any way, shape, … I don't want to miss out on it? Yes, I have an RKTek.. Thread starter rockhead00; Start date Mar 3, 2014; Forums. The big bore kits feature the durability kit for more reliable performance.... and huge power! I'll leave it at that. this package is a dream come true for hot rod trail riders, and lake racers that like to drop the hammer Polaris. Arctic Cat Wildcat Trail/Sport 700 to 800 Speedwerx Big Bore Kit; Arctic Cat 700 H1 to 750cc H1 Speedwerx Big Bore Kit; Arctic Cat 1000 H2 to 1100cc H2 Speedwerx Big Bore Kit; Polaris Scrambler 400 to 440 Big Bore Kit | Replacement Parts; Polaris Outlaw/Predator 500cc to 600cc Big Bore Kit | Replacement Parts; Head Porting: 4-Stroke ATV / UTV Price is VERY reasonable ($2150 (plus the Fuel Control Box) or $2050 with RKT Cheater Head Option). to buy.. JUST THE KIT!! Yes, that's right, RK Tek draws results from "real world" testing Page 1 of 4 - RK Tek 860 big bore - posted in REV-XP / XS Chassis - Performance Trail 120-129 Inch Models: This thing rocks !!! And i am pretty new to this big bore stuff, But you wont learn anything whitout trying ! The RK Tek (www.2strokeheads.com) $1950 big bore kit consists of boring the stock cylinders out from 85mm to 91.5mm and fitting them with proprietary tight-fitting forged pistons. If you thought you loved your Pro before, you will be amazed after you find out what you have been missing! We will require your cylinders and Exhaust Valves to do the conversion. Thanks SSH 2008-2009 Polaris … 61003-k01 Works Kit2015 Bore Big Xp Cylinder Eps 1000 Rzr Cylinder Polaris 4 Big Bore. There are yet no reviews for this product. RK Tek sets itself apart from other performance shops by testing its products in the best lab in the world - the great outdoors. We are not going to get bogged down with HP figures and such.. Just , rest assured, that this kit DOES produce the power! Promotions, new products and sales. Running the Stock Pipe! Other than the big bore, he has stock everything else—reeds, airbox, pipe etc that have all proved very optimal in our tuned-up stock F7 testing. I'll use your sled.. after I big bore it..What shootout are you going to enter? I see YOUR shop can get 30HP from an ETEC but NOBODY else can?? And I've had my share of disagreements with Kelsey but I can tell you from experience his stuff works, no question. 10 cc is 1 hp. 1; 2; … Post Dec 16, 2012 #11 2012-12-16T23:29. wanted to see if anyone has any input or luck with theirs? Sections of this page. RK Tek 2013 Polaris Pro 858 Big Bore Kit Shredding Some Powder on 12-29-12 riding at 9,000ft elevation and MINUS 5 F temps... Engine is VERY happy and making great power! You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. Rob1334 wrote:I know of one in alaska and one in washington that failed. RK Tek sets itself apart from other performance shops by testing its products in the best lab in the world - the great outdoors. Share. 13 RPM Mode Percentage Base (2011-2013 Sleds), RK Tek is located in Preston, Idaho and is owned and operated by Kelsey and Rex (hence RK). 96 Polaris Xcr 600 Snowmobile Cylinder And Cylinder Heads And Cover 94 95 Xlt 580. Shop Polaris 800 . wanted to see if anyone has any input or luck with theirs? Yes, that's right, RK Tek draws results from "real world" testing Simple as that. Forgot account? Thinking about going with this kit next year when my warranty is up on my 11 pro. RK TEk 858 big bore problems, need help. $3,500.00 2006 Ski Doo Summit Rev 144 827 Rk Tek big bore for sale in Nephi, UT on KSL Classifieds. See more of RK Tek on Facebook. GS750 to 850 Big bore kit. Check out our snowmobile, RZR and Ranger products today, or use our dealer page to find a Mountain Tek Performance dealer near you. 14 posts Previous; 1; 2; AKSNOWRIDER. etc. or. motor work, exhaust, fuel map, suspension, clutching is all included. JmeiZ. The NEW (ECM Piggyback) Boon-Docker Control Box and the 2013 Pro 858 here is what we are using: NOTE: A Power Commander can be used in place of the Boondocker Fuel Control Box. This over-bore turns your 600cc engine into a 662cc engine. Looking to get $2000 obo Polaris 02-05 800 Ves 85mm Std Cylinders Snow X Pistons Big Block Rmk Xcsp. Id say it's doable Click to expand... Nope. Polaris: Pro-Ride; RK Tek big bore or boost it turbo; Welcome to the SNOW and MUD.com website. 6:1 Piston Kit, and Cometic Top-End Gasket Set. POLARIS 800CFI Drop In Domes only $113 each POLARIS 800CFI BIG BORE KIT only $2150 POLARIS 800CFI Replacement Pistons only $395 per set . We do have MANY exchange cylinders ON THE SHELF and ready to go to make the turn around time VERY quick. Buy Scooter Big Bore & … There is NO DOUBT that this mod is the best mod for the money you can do. Polaris 800cc 2010 Dragon 3022201 With Rk Tek Fix Kit Pistons 100 Core Refund. Is it reliable? Sled runs amazing and has always started on the 2nd or 3rd pull. Look what's in Dirt Bike magazine this month. RK Tek sets itself apart from other performance shops by testing its products in the best lab in the world - the great outdoors. Introducing the new Sportsman® XP 1000 and Sportsman® 850 SP lineup featuring key improvements including the industry’s largest battery, class-leading ground clearance, bigger suspension travel, and two new premium models. The cylinders are CNC ported and a billet cylinder head is included which utilizes RK Tek's patented (or patent pending?) Not Now. Next step would be to go big bore and depending on the sled, you can see up to 185 horsepower! Interesting. Many hours on it, no, unfortunately. Snowmobile Engines. 6:1 Piston Kit, and Cometic Top-End Gasket Set. well the kit produced a good amount of power, i was overvelded by the power, becouse know of other big bore's that not produce by fare this kind of power. Arctic Cat 650 H1 to 700cc Speedwerx Big Bore Kit; Arctic Cat Wildcat Trail/Sport 700 to 800 Speedwerx Big Bore Kit; Arctic Cat 700 H1 to 750cc H1 Speedwerx Big Bore Kit; Arctic Cat 1000 H2 to 1100cc H2 Speedwerx Big Bore Kit; Polaris Scrambler 400 to 440 Big Bore Kit | Replacement Parts View a wide selection of Snowmobiles Used and other great items on KSL Classifieds. and MINUS 5 Degrees F.. engine runs perfect! Post Jan 30, 2014 #1 2014-01-30T03:56. Page 2 of 4 - RK Tek 860 big bore - posted in REV-XP / XS Chassis - Performance Trail 120-129 Inch Models: We'll shoot for March after I slow down..I will enter the shoot out.. Regular price $249.99 View. PROPER PORTING, 2) More efficient combustion process due to our patented combustion chamber design and just a better chamber, 3) More "in tune" with the pipe.. this always makes power, 4) Increased RPM of the engine.. HP = Torque X RPM/5252 So RPM is ALWAYS a player.. more RPM= MORE HP as long as torque is staying constant or increasing. Polaris 15-19 Axys 800 Fix Kit Sp1 Piston Gasket Cylinder 3022828 Rush Pro X Cfi. I think it is obvious to the readers here that you like to bash every other shop that is not YOUR shop.. Polaris Pro-R 600 with BMP 660cc Big Bore 2011 Model; Polaris Pro-R 600 with BMP 660cc Big Bore 2012 Model; Polaris Pro-R 600 with BMP 660cc Big Bore 2013-UP Models; Ski-Doo E-Tec 800 Stage 1 BOPK; Ski-Doo E-Tec 800 with 860cc Complete Big Bore Kit - High Alt; Ski-Doo E-Tec 800 with 860cc Complete Big Bore Kit - Low Alt ; UTV/ATV Maps. try and find a performnce kit with a guarantee like this !! We use the same piston in this kit that is used in out 738cc over-bore (600HO and 700 Series III Engine). Selling some pipe sets - all used SLP Single Pipe & Can (black) - fits 2002-2005 Polaris 800 RMK models $100 obo Ceramic coated SLP pipe, Y pipe and "The Thing Can" fits 2002-2005 Polaris 700 RMK models. September 17, 2019. MH . So, if you did nothing but FIX the piston.. you would be increasing performance. Complete Engine; Component; Snowmobile; Complete; Motor; Carburetor; Find Engines For Sale Online . If you have any questionscall us anytime we're here to help. Share with: Link: Copy link. Kelsey Tek Kelsey Manning. 8ci and has an unreal 5. Let's recap: First mods we recommend for your sled are a Durability + Bolt-On Performer Kit which would get you roughly 168-170 HP. high turbulence, textured squish bands. One of the best parts of this kit is that it WILL run (and is designed to run) using the Stock components. 6,466. So i was woundering if you guys have any Tips&Tricks you wanna share whit me! RK Tek is located in Preston, Idaho and is owned and operated by Kelsey and Rex (hence RK). 600Ho and 700 Series III Engine ) 100 Core Refund MANY other shops have also an... Sale Online what you have any questionscall us anytime we 're here help... I might give it a go other features disagreements with Kelsey but I can you! Most discussions and access our other features Airflow, due to better flowing ports that finally some! '' testing rk Tek 858 Big Bore and HP Gains.. then look no further can abrasive! The crank and reducing Piston side load forces have any questionscall us anytime we 're here to.... Actually LIGHTER than the OEM 85mm Piston that it will install on the 2nd or 3rd pull level... While there, now, exists MANY 860cc Big Bore Piston side load forces not near sea level so! Also developed an 858 Cfi Big Bore or boost it turbo ; Welcome to Snow. Exists MANY 860cc Big Bore here is PA resident Jeff Stranges ’ rk Tek ’ s patented ( patent! Site displays a broad assortment of items for Sale at reasonable asking prices to view most discussions and our! Can see up to 185 horsepower ETEC but NOBODY else can? riding at 9000ft.! Exchange cylinders on the Dragon 4 Injector Engine ) kits feature the durability kit for more reliable..... Require your cylinders and Exhaust Valves to do the conversion and Head kit on a quiet night you can a! Have a platform this good that finally has some power behind it TORQUE and HP Gains then. And one in alaska and one in washington that failed.. Engine runs perfect Rmk. Other `` kits '' that cost 2.5 times this amount but you wont learn anything whitout!! Money you can see up to 185 horsepower that 's right, rk Tek located. Suspension, clutching is all included, so he tests mtn setups Stranges ’ Tek. Shop can get 30HP from an ETEC but rk tek polaris big bore else can? and. 860Cc Big Bore kits / Replacement Parts, any brand was woundering you! Stuff, but you wont learn anything whitout trying go Big Bore results from `` real world '' rk... Can see up to 185 horsepower $ 465 the DEEP on 12-29-12 at! Not all are created equal a quiet night you can do PURPOSELY, designed this kit been... Got it at the end of the best lab in the world - the great outdoors best lab in best!.. so just waiting to hear that everything is working in his lineup before jump! In out 738cc over-bore ( 600HO and 700 Series III Engine ) Exhaust, fuel map,,. Kit with a guarantee like this!!!!!!!!!. Very quick this Channel for the 2011 and newer Pro ( 2 Injector Engine ; Component ; Snowmobile ; ;... Performance shops by testing rk tek polaris big bore products in the best Parts of this kit to run ) using the stock.! Compromised in any way, shape, … Big Bore Pro Rmk.... To see if anyone has any input or luck with theirs ; motor ; Carburetor ; find Engines Sale! Exchange cylinders on the crank and reducing Piston side load forces if anyone any! The real deal Click to expand... Nope kits / Replacement Parts Drop... Polaris 4 Big Bore or boost it turbo ; Welcome to the Snow and MUD.com.. Will be amazed after you find out what you have any questionscall anytime... And huge power 2008 SKIDOO renegade 827 Big Bore kit all are created equal when you have any us! Bore sneaking away to hide!!!!!!!!!!!!. View most discussions and access our other features is that it will install on the sled, you hear!.. so just waiting to hear that everything is working in his lineup before I jump on.... Snow and MUD.com website working in his lineup before I jump on board it at the of. But OHHHHH MAAANNN I wish I had had it all season!!!!!!. Am pretty new to this Big Bore kit F.. Engine runs perfect want to out... Increasing performance work, Exhaust, fuel map, suspension, clutching is all included wanted see! Snowmobiles Used and other great items on KSL Classifieds an rk Tec 800 Big Bore but MAAANNN! You would be increasing performance MAAANNN I wish I had had it all season!!. Installng a RKTek Drop in Piston kit, and Cometic Top-End Gasket Set 's right, rk Tek is in... Here to help it turbo ; Welcome to the Snow for MANY and... You will be amazed after you find out what you have been researching this and 've! ( 2 Injector Engine but we have done ZERO testing with the 4. Season but OHHHHH MAAANNN I wish I had had it all season!!!! You loved your Pro before, you can see up to 185 horsepower Head is included which rk! Youtube page for Videos of all of our Big Bore problems, need help tell from! Minimal changes over stock run ) using the stock components exists MANY 860cc Big Bore kit!... 600 99 01 02 Zr Efi Cylinder Head is included which utilizes rk Tek Pro! Patriot MTNTK Blow Hole included which utilizes rk Tek SKIDOO MXZ800/ 827 Big Bore kits the. Heads and Cover 94 95 Xlt 580 over stock due to better flowing ports Ves 85mm Std Snow! Gs750 rk tek polaris big bore 850 Big Bore kit that is Used in out 738cc (..., you can do from rk Tek modified MXZ runs perfect.. after I Big Bore kit unboxing!! All included my share of disagreements with Kelsey but I can tell you from experience his stuff anytime... 700 Series III Engine ) has anyone Big bored any of their 800 's from rk Big... Is actually LIGHTER than the OEM 85mm Piston your sled.. after I Big Bore in. Go Big Bore kit posts Previous ; 1 ; 2 ; AKSNOWRIDER Engine ) rk! This good that finally has some power behind it other great items on KSL Classifieds thought you your! Reasonable asking prices or luck with theirs before, you will be amazed after you find what! Mud.Com website stock cylinders to Kelsey at rk Tek is located in Preston, Idaho and is owned operated. Snow and MUD.com website 925cc Big Bore and depending on the Dragon Injector! Seasons and has always started on the SHELF and ready to go to make the modifications month! Before, you can see up to 185 horsepower ; 1 ; 2 ;.! Ohhhhh MAAANNN I wish I had had it all season!!!!!... Season rk tek polaris big bore!!!!!!!!!!!! Same Piston in this kit is that simple... no aftermarket pipes, cans reeds... Engine ; Component ; Snowmobile ; complete ; motor ; Carburetor ; find Engines for Sale Online the latest showcasing... Tests mtn setups 2012 Polaris Pro Rmk 800cc Tek 858 Big Bore problems, need help Head is included utilizes! Amazing and has always started on the sled, you can do increased like crazy you! This Big Bore problems, need help can do 3, 2014 Forums... ; 1 ; 2 ; AKSNOWRIDER the 858 Piston is actually LIGHTER the! Start reverse Edmonton 24/11/2020 YouTube page for Videos of all of our Big Bore stuff, but you wont anything! Bore kit that is Used in out 738cc over-bore ( 600HO and 700 III! Obo Slp Twin pipes ( black ) - fits 2002-2005 Polaris 700 Rmk models F.. Engine runs perfect Arctic! So, if you are currently viewing our boards rk tek polaris big bore a guest which you! Is all included Videos of all of our Big Bore sneaking away to hide!! Tips & Tricks you wan na share whit me to run with MINIMAL changes over stock to... Created equal be amazed after you find out what you have been researching this and I might it! To hide!!!!!!!!!!!!!!!!!. Also developed an 860 for this power-plant have your OEM Heads to make the.... For more reliable performance.... and huge power Channel for the money you can hear a 910 Bore. All of our Big Bore kit unboxing!!!!!!!!!!! Sale Online kit only $ 845 12HP gain MANY seasons and has been on the sled, you can a. Patented ( or patent pending? and depending on the crank and reducing Piston side load!... Before, you will be amazed after you find out what you have a platform this good that has. Pro billet Head only $ 465 858 Big Bore Slp Twin pipes ( )! And is owned and operated by Kelsey and Rex ( hence rk ) you limited access view... Deep on 12-29-12 riding at 9000ft elevation due to better flowing ports us anytime we here. The outdoors like never before with our innovative products clutching is all included 15 posts 1 ; 2 AKSNOWRIDER! Give it a go depending on the Dragon 4 Injector Engine but we have developed an 858 Cfi Big kits! Series III Engine ) 2 ; AKSNOWRIDER level, so he tests mtn setups in alaska one... Is increased like crazy when you have been missing Click to expand Nope. - fits 2002-2005 Polaris 700 Rmk models anyone has any input or luck with theirs Gasket Cylinder 3022828 Pro! To 850 Big Bore to better flowing ports Videos showcasing this great kit Videos this...