Wiseco PWR131A870 Garage Buddy Complete Engine Rebuild Kit 87mm 10:1 CR

The Wiseco PWR131A870 Garage Buddy Complete Engine Rebuild Kit is an all-in-one solution for a full top and bottom end engine overhaul. Designed with a 87mm bore (+2.00mm oversize) and a 10:1 compression ratio, this kit delivers everything needed to bring an engine back to peak operating condition — from the crankshaft to the piston and every seal in between.

Wiseco's Garage Buddy kits are built around a forged 4-stroke performance piston, engineered to withstand the demands of high-performance powersports applications. Forged construction offers significantly greater strength and durability compared to cast alternatives, standing up to the stress of hard riding and extended use. Each component is manufactured from premium materials and engineered to meet or exceed OEM specifications and tolerances.

What's Included:

• Wiseco forged 4-stroke piston kit with piston ring(s) — 87mm bore, +2.00mm oversize
• OEM-quality crankshaft assembly
• OEM-quality main bearings
• Complete gasket, seal, and o-ring set (top and bottom end)
• Cam chain (included as required)
• Wiseco hour meter and mounting bracket

Key Specifications:

• Bore: 87.00mm (+2.00mm oversize / piston diameter 86.95mm)
• Compression Ratio: 10:1
• Engine Type: 4-Stroke
• Made in the USA

The included Wiseco hour meter and bracket allows you to track engine runtime and plan critical maintenance intervals, helping extend the life of your rebuilt engine. Whether you're restoring a worn-out machine or building for performance, the PWR131A870 Garage Buddy kit delivers a precision fit and long-lasting reliability in a single, convenient package.