The +.010 Oversize Piston Assembly for Briggs & Stratton 8 HP engines is a precision OEM-quality replacement part designed for engines that require a cylinder rebore. This oversize piston restores compression, reduces oil consumption, and extends engine life. Perfect for rebuilds and overhauls, it provides a reliable fit and long-lasting durability to keep your 8 HP Briggs & Stratton engine performing at its best.

Specifications & Details:

• Application: Briggs & Stratton small engines

• Horsepower Range: 8 HP

• Size: +.010 oversize (requires bored cylinder)

• OEM-quality replacement piston assembly

• Restores compression and efficiency

• Reduces blow-by and oil consumption

• Durable construction for long-term engine performance

• Ideal for rebuilds and engine overhauls

• Includes piston only (rings, wrist pin & keepers sold separately unless noted)

Replaces

• BRIGGS & STRATTON: 391674, 499908