FITS ALL POLARIS SPORTSMAN AND RANGER 500cc MODELS LISTED ABOVE ONLY – DOES NOT WORK ON 2016+

• New Stock Bore Polaris Cylinder (1 Year Warranty)
• Wiseco stock bore forged piston
• Nitrite coated piston rings
• Chrome wristpin
• Circlips
• Top end gasket kit
• MLS head gasket
• Valve stem seals
• Timing chain
• New improved Maxlock heavy duty head stud kit
• 4135 heat treated alloy steel
• Rolled threads machining process and black oxide coating
• 12 point flange nuts and washers
• Allen head drive for easier install
• Higher clamping force creates stronger, longer lasting seal
• LIFETIME REPLACEMENT WARRANTY ON STUDS*!