Wiseco 4466M07400 74.00mm 10.5:1 High Compression Piston Kit for 253cc Motorcycle Engines - Perfect for Performance Upgrades & Engine Rebuilds

Bore: 74.00mmCompression: 10.5:1 CompressionSizing: 1.00mm OversizeForged from high-silicon aluminum alloy for maximum strength and dependability.. Innovative forging design and piston skirt provide maximum horsepower and torque.. Wiseco High-Performance piston kits are priced with piston, rings, pins and circlips (unless noted otherwise).. Oversize pistons require cylinder sleeving.. SPECIFICATIONS. Displacement: 253cc. Bore - Standard: 73.00mm. Bore - Actual: 74.00mm. Bore - Oversize: 1.00. Stroke: 59.5mm. Compression Ratio - Actual: 10.5:1. Dome Volume: +6.00cc. Note: Cylinder boring required. ITEM CONTENTS. 2913XC - 74.00 mm Ring Set. CW17 - ROUND WIRE PIN LOCKS 17MM (PAIR). S533 - PistonPin 17mm x 2.061in. NonChromed TWThis item fits the following vehicle applications:compatible with Honda XR250L 1991-1996compatible with Honda XR250R 1986-2004

Wiseco's forged pistons are tougher and more durable than cast pistons, and will stand up to the abuse that high performance motorsport applications require

Piston kits contain one piston, rings, piston pin and piston pin circlips

+6.00cc domed piston

2913XC ring set

253cc