Piston Durability Kit / Rev 800 Category_Default Category/SXS/Polaris RZR/ACE 900 XC The HB series weights feature

The HB series weights feature a "humpback" design and offer good belt grip on the bottom end and awesome mid-to-top end performance

this tube expands smoothly to handle aggressive boost pulls without breaking a sweat

Engineered from ultra-durable

it may differ slightly from the picture

Huge low end and top end increases

Piston Durability Kit / Rev 800 Category_Default Category/SXS/Polaris RZR/ACE 900 XC The HB series weights featureLooking for top notch quality in a dual ring forged piston? Look no further! These German made Wossner pistons are nothing but the best. Dual ring design allows heat to transfer more efficiently, resulting in a better performing and longer lasting Rev 800! Skirts come teflon coated for maximum piston longevity. If you are rebuilding your Rev 800 motor, these are the pistons you need!