Wiseco PWR131A860 Complete Engine Rebuild Kit Honda TRX400EX 86mm 10:1 CR

The Wiseco PWR131A860 Garage Buddy Complete Engine Rebuild Kit provides everything you need for a comprehensive top and bottom end rebuild of your 1999-2004 Honda TRX400EX. This all-in-one kit takes the guesswork out of engine rebuilding by including every critical component in a single package.

Complete Rebuild Solution:

• Wiseco forged piston kit with 86mm bore (+1.00mm oversize) and 10:1 compression ratio
• Piston rings, wrist pin, and circlips included with piston
• OEM quality crankshaft assembly with main bearings
• Complete top end and bottom end gasket sets, seals, and o-rings
• Cam chain (where applicable for engine model)
• Wiseco hour meter and mounting bracket for tracking service intervals

Wiseco Quality and Performance:

• Forged piston construction for superior strength and durability
• Engineered to meet or exceed OEM specifications
• Precision machined components for exact fit and reliable sealing
• Improved throttle response and smooth engine operation
• Proven reliability in demanding powersports applications

This Garage Buddy kit eliminates the need to source individual components separately, saving time and ensuring compatibility. The included hour meter helps you track engine runtime and plan future maintenance intervals. Ideal for rebuilding worn engines or as part of a performance upgrade on your Honda TRX400EX sport ATV.