Description: Tough enough for oval track or endurance racing. K-Motion steel valve spring retainers have what it takes. They're made from high-quality steel, which is heat-treated for strength and durability, and then black oxide coated for corrosion resistance. You can use them in your everyday driver if you want, but they're engineered to be tough enough to withstand the rigors of both(more)

Description: Tough enough for oval track or endurance racing. K-Motion steel valve spring retainers have what it takes. They're made from high-quality steel, which is heat-treated for strength and durability, and then black oxide coated for corrosion resistance. You can use them in your everyday driver if you want, but they're engineered to be tough enough to withstand the rigors of both oval track and endurance racing. (minimize)