Vance & Hines Raceshop Components Twin Cam High-Performance Beehive Spring Kits are designed with the latest advancements in valve spring technology. The springs are nano-peened, polished and 100% inspected through load testing to ensure they exceed stringent quality standards, offering superior valve stability at high RPM range. They are the premium choice for your performance upgrade and are "drop-in" ready. No machining of heads is required.
Retainers made from 4140 chromoly steel.
Heat treated and processed to maintain high strength and lightweight design.
Keepers: Type FMOD7, lock angle 7deg, triple radius groove, standard install height.
Equipped with chromoly spring bases.
Kit comes with Viton seals designed for maximum retention of elastic properties along with excellent resistance to fluids, heat, and aging.
Sold as a set of four (4).
Note: For closed course competition ONLY. NOT intended for street use.