Manley 10 Degree Valve Spring Retainer - 1.140 in / 0.740 in OD Steps - 1.550 in Dual Spring - Titanium - Set of 16 Dominator Racing Products the KC7 is designed to

the KC7 is designed to minimize helmet weight for karting drivers under the age of 18 and perfect for the next generation of champions as they start their racing career in karting

Shifts from 1 to 4 gears at multiple RPM Settings

The Standard Model offers Tilton quality to budget-minded racers

high quality components

Manley 10 Degree Valve Spring Retainer - 1.140 in / 0.740 in OD Steps - 1.550 in Dual Spring - Titanium - Set of 16 Dominator Racing Products the KC7 is designed toManley's 6AL 4V titanium 10 Degree retainers have the durability needed for racing engines. Sold in sets of 16. Manley Performance high performance and racing engine parts have been powering winners since 1966. Since our inception in March 1966, Manley Performance Products has been at the forefront of the high performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown University, our journey began with a