Polini Roller weights 6.3 grams 16x13 Genuine Buddy Roughhouse : stronger launch

Description

These durable and long lasting rollers are designed to be used on any variator which uses 16x13 rollers. Factory rollers typically weigh 9-10 grams each. These 6.3 gram rollers are lighter and will allow your engine to rev higher and maintain better performance throughout the power band. Rollers are wear items & generally need to be replaced every 1500 miles (or less) to maintain performance. Other sizes and weights also available. Please inquire.