This makes a TRUE major engine overhaul and ensures all parts are . Please ship to our 920 Pine Street Address, Skip to the beginning of the images gallery, Durability kit fits all year 800 CFI & AXYS 800 CFI HO motors, Custom designed taller pistons have less piston slap, Rings have been spaced apart for better cooling, Pistons have a .020" wrist pin offset to take the load off the intake side, Forged pistons are more durable and collapse less than factory pistons, Lubrication holes in the skirt of the piston designed to lengthen piston skirt life, Gains 6-7 horsepower and even more for motors down on compression, A must-have for motors with over 1500 miles on stock pistons, CAN USE A POWER COMMANDER OR TORQUE LINK TUNE AS WELL FOR BETTER RUNABILTY. EPI also offers high quality replacement driveline parts such as Axles, U-Joints, CV Joints, Front End and Suspension parts, Brakes and more. Even when brought up to 4500-5500 rpm the temp would slowly climb to 140F. Find many great new & used options and get the best deals for POLARIS RMK PRO, RUSH, SWITCHBACK AXYS 600/800 CFI VFORCE 3 REEDS 2016-2018 at the best online prices at eBay! If you place your order there is a $750-dollar core charge if you would like to have us send your new kit before we receive your core cylinder. They will NOT fail unless they are subjected to a low fuel or high heat condition! Polaris 800cfi 2008-2015 Performance kits | Terra - Terra Alps Racing Due to the added case volume, you will see a 2-3 HP gain! and we responded. 2007-2016 Polaris Switchback RMK IQ dragon Rush 800 heel primary clutch weights. The RK Tek Pistons address this issue 100%! Smooth. stock reeds work fine but the aftermarket reed systems will work better! 2.6% negative feedback. What an amazing difference. For this reason, adding extra lubrication with the fuel will also help extend piston life. Register on our forums to post and have added features! We do have the correct crankshaft available for the Axis engines and will come with your kit*, Copyright 2020 REV 6 ENGINES. Polaris Patriot 850 Dual Ring Direct Replacement Pistons. DOWNLOAD THE INSTRUCTIONS HERENo single action on your part is as important as proper engine break-inBREAK-IN RESPONSIBILITYDo not operate at full throttle or high speeds for extended periods during the first three hours of use. Compression reduced and so is horsepower. The stock 800 CFI motor runs a piston that is a total height of 2.885". - Completely remanufactured crankshaft with all new components, bearings, new drive gear and seals. More power everywhere! Who has the best top end kit for the Polaris 800's - asking for a friend, not joking around (for a change). You can have a BROKEN off lower skirt and the compression reading will not change! This kit REQUIRES a core cylinder from you. thermostat, OE oiling check valves, Enough tubing to replace all the oil lines with premium grade non- Ships to: US, MX, DE, JP, See the "HG7 cylinder finish" section to the right for more details on why you should want the HG7 finish. They require ZERO added "treatment"! I highly recommend their dual ring cast pistons as an OEM replacement in any snowmobile engine!". NOTE: This will address the issues associated with the OEM pistons! Stage 2 includes: Big Bore Cylinder Kit - 61006-K01 Cylinder Works $1155.56 Part #: 1402198 Mfg Part #: 61006-K01 Standard 93mm Bore Cylinder Kit - CW60007K01 Cylinder Works $751.16 Part #: 1402206 Mfg Part #: CW60007K01 Standard Bore 93mm High Compression Cylinder Kit - CW60007K01HC Cylinder Works $888.76 Part #: 1402207 Mfg Part #: CW60007K01HC We have found it common to see the piston to cylinder wall clearance DOUBLE in less than 1000 miles.. Most machines will lose 20-30 lbs of compression after just 1500 miles of riding which causes a loss in performance. New. There are yet no reviews for this product. Polaris PRO-R Drop In Kit 2011-2015 CFI 800. Can I ask you a couple of questions about pistons and bores? Turned the oil pump up one full turn and running 91 octane on the non eth resistor. 2018 Assault 800 . of material 6-wheel independent suspension maximizes traction Integrated front storage box has 6. . Learn more sku:RZRXPP CNC machined from 6061 billet aluminum. Fix Kit Replacement Piston . No tuner box. Rev6 offers quality parts that are proven to last. The relatively short rods and pistons have been the cause of the short life of the stock pistons and rings. Snowmobile Parts for 2016 Polaris Pro RMK 800 for sale | eBay These reports are posted for all Dyno Tech Subscribers to view. No fueling changes required above 5000. 2017+ Polaris RZR-XP1000/XP4-1000 & RS-1 Spring Kits $860 2014-2016 Polaris RZR XP1000/XP4-1000 Spring/Crossover Kit $860 Polaris Turbo-S Shock Upgrade $2,200 SLED SHOCKS View all Polaris Snowmobile Shocks From $250 Velocity Series From $425 WALKER LINKS - SET OF 2 $405.00 Quantity Add to Cart Full details Share NEW LEGEND II UTV WHEELS NEW APPAREL 1/2 litre of semi synth oil in full tank fresh fuel. These kits are available for just about every conceivable engine out there with more Item: 323454969454 The RK Tek Drop in Kits provide both of those. It gave me all the confidence in my 900 rebuild! Your head cools so efficiently that i never could get the temp over 133F it would just sit there. -Cylinder with a fresh replate and HG7 hone: (Cylinder number is cast on the mag (recoil) side of the cylinder), -OEM Replacementpiston kitwith ring end gap already set, -Full top end gasket kit: exhaust, inner o-rings, base gaskets set to the cylinder length of your new cylinder, Note: As of 11-16-22 All Top End Kits will have a High Silicon Content OE Replacement Piston, Prices are subject to change without notice, due to part cost changesand avaialability. It has everything to do a top 2016-2022 RZR 1000 Stage 3 Performance Clutch Assembly. $599.95 In stock SKU BMP-P800DK Durability kit fits all year 800 CFI & AXYS 800 CFI HO motors Custom designed taller pistons have less piston slap Rings have been spaced apart for better cooling Pistons have a .020" wrist pin offset to take the load off the intake side Forged pistons are more durable and collapse less than factory pistons leaving the cylinder rough like the standard finish will lead to premature failure and ring and piston skirt breakdown. Join our email list and receive exclusive online offers! Our engine durability kit was designed to last. The kit simply addresses the issues associated with the stock (OEM) Piston. So, when you hear that all these aftermarket kits have a tighter tolerance than the OEM.. it is simply NOT true! When I replaced the stock ones, they were due - skirt clearance was at limit, some ring flaking. ALL other kits out there REMOVE lower skirt support by shimming the cylinder up. Website By, Polaris 2017-2022 Complete Bottom End Engine Rebuild Kit, 15-18 Ranger 500, 15-20 Ranger 500 Prostar, Compete Rebuild Kits, Complete Rebuild Kits, Crankshafts & Connecting Rods, Crankshafts & Connecting Rods, Polaris, Ranger Models, 1996-2014 Polaris 500 Master Engine Motor Refresh Kit, 01-13 Sportsman 500, 96-13 Ranger 500, Complete Rebuild Kits, Complete Rebuild Kits, Complete Rebuild Kits, Complete Rebuild Kits, Complete Rebuild Kits, Crankshafts & Connecting Rods, Crankshafts & Connecting Rods, Crankshafts & Connecting Rods, Crankshafts & Connecting Rods, Crankshafts & Connecting Rods, Cylinders & Piston Components, Cylinders & Piston Components, Cylinders & Piston Components, Cylinders & Piston Components, Cylinders & Piston Components, Polaris, Ranger 500 Fuji, Ranger Models, Scrambler Models, Sportsman 500 Fuji, Sportsman Models, 14-17 Sportsman, RZR, Ranger 700-800 Core Tear Down, 07-15 Ski-Doo 800R E-tec/P-Tek Core Tear Down. You are the salt of the earthYou are the light of the world Polaris 800 Axys Cfi Engine Durability Rebuild Kit W/ Crankshaft 2016-18, Polaris 800 Axys Cfi Engine Durability Rebuild Kit W/ Crankshaft 2016-18 2, Polaris 800 Axys Cfi Engine Durability Rebuild Kit W/ Crankshaft 2016-18 3. HPR CRANKSHAFT PTO End 15-19 Polaris AXYS CFI 800 600R Race Sled Rush Pro X RMK - EUR 179,06. This item: Polaris Snowmobile Key Operated Electric-Start Kit. This lack of lower skirt support is a major contributor to why the stock pistons FAIL! Customers wanted a simple few choices to match what they needed Polaris 800 CFI 12HP or 20HP Drop In Kit - 2StrokeHeads POLARIS 800 AXYS CFI ENGINE DURABILITY REBUILD KIT W/ CRANKSHAFT 2016-18. . Complement the outstanding performance of your sled's 800 Cleanfire engine with the convenience of electric start. We believe in these kits and recommend them along with using in our own machines . We also use titanium nitride coted rings for faster break-in and longer life. If you have any questionscall us anytime we're here to help. Primary Drive Clutch Rebuild Kit Bushings Polaris Indy Rmk 600 700 800 ______________________________________________________________________________________________. The piston is custom designed with different ring location and oil feed holes and pin location. guidelines. Genuine MCB Stage-2 rebuild kit for ALL 2013-2020 Polaris 800's. Just need a muffler and clutching and your good to go. Array $460.00 Snowmobile Make: Model: Year: Options: (Choose One or More) Wrist Pin Bearings (Pair) +$45.00 Team Rooster Weights +$210.00 Boondocker Controller Box +$455.00 Power Commander Controller Box +$495.00 We have found it common to see the piston to cylinder wall clearance DOUBLE in less than 1000 miles.. You do NOT have to treat these pistons any different (in any way, shape or form) than your stock piston! It would have required a HUGE final bore machining/boring error for this to happen again, this is a clever gimmick to try and sale you something! 2881055 Polaris New OEM Axys Deep Snow Mid Windshield The REAL "HELP" will come in the form of 2 Custom Pistons and a Custom Head that will completely transform your engine into what it should have been from the Factory! Can't wait for good snow now. Free shipping for many products! It is a widely held belief that the OEM pistons are too small from the factory and this is where the issues lie. Once you have the kit installed.. YOU ARE DONE!! Trued. For the best experience on our site, be sure to turn on Javascript in your browser. Trued and in Genuine MCB Stage-2 rebuild kit for ALL 2011-12 Polaris 800's. All Rights Reserved. Polaris 2877883 OEM VES Full Synthetic Oil, 1 Gallon. People always state "I pulled my OEM pistons and they LOOKED fine and compression reading was still in spec! (14.5 lbs on RMK, RMK Assault and SKS models) and provides an additional 12.4 horsepower increase over stock. SPI Piston Rings For POLARIS 800 AXYS PRO RMK/LE 2017-2019 85.00MM Copyright 2023 MCB Performance. Polaris Clutch Kit 2016-2017 MODELS - Goodwin Performance $109.97. We, REALLY, do address the OEM piston design issues with this kit. We have also incorporated a cylinder port timing adjustment via these pistons. In other words.. your piston can LOOK perfect but MEASURE out of spec. BAR NONE! The pistons come with new wrist pins and c-clips. NOTE:RKTTop end gasket kitis comprised of the Base Gasket, Y -Pipe Gasket, Exhaust Valve Gaskets (Non-HO ONLY), and Inner Compression O-rings. You can NOT get this kind of power AND address an internal engine problem anywhere else for this low of price! We recommend turning up your oil pump 1 turn on non-HO (Axys) motors. Legacy Product Instructions Quickly Navigate to your Legacy Product: Control Box Installation and Operation: Naturally Aspirated Snowmobile Control Box (Fuel/NO2) Turbocharged Snowmobile Control Box Turbocharged UTV Control Box Turbocharged Snowbike Control Box Electronic Boost Controller Adjustable Actuator Turbo Kit Installation He rode an Axys 800 Polaris . This Fly Blitz Jacket with Speedwerx Logos is guaranteed to make anyone look good! MCB Performance has expanded our Stage Engine Kits to now include POLARIS! Brand New. These pistons are the BEST piston available on the market today! After MANY tear-down and inspections, these kits have PROVEN to be solid and, more importantly, to fix the issues that are associated with running the OEM piston. Good seller with good positive feedback and good amount of ratings. The Stage 3 package from SLP is a solid setup for any natural aspiration snowmobile enthusiast! With our multi step process and torque plates we use in the CNC hone we can produce a much smother finish, and a much straighter bore being precise down to the ( tenth ) ..0001. We ONLY stock the AXYS Billet Head that uses the larger T-Stat. Axys-Stage 3. These gaskets are not part of the piston ONLY kit but are available in the options. 2016 2017 2018 2019 Description Polaris 2013-2016 PRO RMK 800 Complete Top End Rebuild Kit Upgraded replacement pistons with molly coated skirts for better break-in Standard Bore Replacement Pistons Includes the Following Parts: - STD Bore Upgraded Piston Kit - Complete Top End Gasket Kit - Wrist Pin Bearings The addition of the spacer under the cylinder also lifts cylinder intake shirts up out of the reed window reducing intake restriction and resulting in more power during high airflow demand at high RPM. Stage 4 - This is MCB's most complete kit and comes with all of Stage 3 plus the following, OE Polaris 800 Short Block Engine Kits W/ 1 Yr Warnty For a better experience, please enable JavaScript in your browser before proceeding. POLARIS 800 AXYS CFI ENGINE DURABILITY REBUILD KIT W/ CRANKSHAFT 2016-18. It would have required a HUGE final bore machining/boring error for this to happen again, this is a clever gimmick to try and sale you something! ADD 1 QUART OF OIL TO THE FIRST GAS TANK AS WELL FOR BREAK IN. If you are ordering cheater heads, we will need to have your OEM heads to make the modifications. Here are the Polaris part numbers and parts fiche link you need to do the conversion for the larger T-Stat, Fiche # 1: https://www.ronniesmailorder.com/oemparts/a/pol/5a3a5cf987a8660eb45e7c92/engine-cylinder-all-options, Fiche #2: https://www.ronniesmailorder.com/oemparts/a/pol/5a3a5ced87a8660eb45e7c80/engine-cooling-system-all-options, ________________________________________________________________________________________________. POLARIS 800 CFI-2, CFI-4 COMPLETE ENGINE DURABILITY REBUILD KIT 2016-2018 800 Axys, 800 Dragon, 800 Assult, 800 RMK Hassle Free, Helping you SAVE MONEY and TIME!! Buy in monthly payments with Affirm on orders over $50. Please be aware of "CLAIMS" that the OEM cylinders are over-sized from the factory!! The store will not work correctly in the case when cookies are disabled. JavaScript seems to be disabled in your browser. Polaris 800 CFI 12HP or 20HP Drop In Kit Polaris 800 CFI 12HP or 20HP Drop In Kit 2008-Present (AXYS ALSO) POLARIS 800 CFI 12HP or 20HP "Drop In" Piston/Head Kit 2 DIFFERENT KITS TO CHOOSE FROM. 2881055 Polaris New OEM Axys Deep Snow Mid Windshield. engineered to work together. Some of the add-ons on this site are powered by, Snowmobiles: Brands, Performance & Modifications. RZR General RANGER Sportsman ACE Indian Motorcycle Slingshot - Completely Remanufactured Polaris OEM 2208745 crankshaft with all NEW wear-components, Polaris OEM bearings, ne Genuine MCB Stage-2 rebuild kit for ALL 2008-2010 Polaris 800's. Learn More Add to Cart Speedwerx Hypershift Helixes// 2020-2022 Polaris RZR PRO XP / Turbo R $129.95 Buy in monthly payments with Affirm on orders over $50. Besides the skill and experience, it takes a lot of balls to "personally" warranty any motor for 3yrs in this sport. PRIMARY CLUTCH SPIDER WIDE ROLLER PIN BUTTON KIT POLARIS AXYS RMK 600-850 11-20. $49.99. We have streamlined these kits now so that there are 4 options that are very user friendly: Genuine MCB Stage-2 rebuild kit for Polaris 850 Patriot motor.