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Piston Kits

XR\'s Only performs extensive performance testing for each XR\'s Only Big Bore Piston Kit it offers to the public to ensure high performance and reliability standards for their Honda CRF and XR dirt bikes and TRX ATVs. Available in compression ratios that range from the modest 10:5.1 up to 12:1, XR\'s Only recommends race gas with any piston kit above 11:1 compression rations or higher. The XR\'s Only Piston Kit comes with everything needed for complete top end reassembly and includes a new JE or Ross race piston, rings, a wrist pin, piston clips, Cometic head gasket and Cometic base gasket.

MORE PARTS CATEGORIES: Counter Sprocket Covers | Brake Cables | Connecting Rod Bearings | Clutch Cable Brackets | Hi-Rev Ignition | Chain Guides | Carburetor Kits | Clutch Springs | Carburetor Choke Plates | Case Savers | Performance Cooling | Decals | Magnetic Drain Plugs | Exhaust Accessories | Exhaust Headers | Exhaust Pipes | Foot Pegs | Hard Faced Rockers | Lowering Links | Piston Kits | Connecting Rod Kits | Cylinder Sleeves | Brake Reservoir Covers | Rear Fender Racks | Smog Block Off Kits | Seat Covers | Speedo Replacement Kits | Shark Fins Disc Guards | Shift Levers | Skid Plates | TRIPLE CLAMPS | Oil Temp Dip Sticks | Gas Tank Decals Graphics | Valve Guides | Valves | Valve Springs | Axle Adjuster Blocks | Wheel Spacers | HRC Copy Cams | EXHAUST SYSTEMS | FORK BRACES | Clutch Covers |

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