High Performance V-Twin Intake Valve Kit - 1.805in. Head Diameter

High Performance V-Twin Intake Valve Kit - 1.805in. Head Diameter

Manufacturer: Vance & Hines

SKU: 354530

Kits include two intake or two exhaust valves, springs, retainers, spring bases, Viton valve seals and keepers.Valves are precision CNC machined from a stainless one-piece forging for higher strength & durability.High grade allows design to withstand high heat and maintain roundness.Chrome coated.Micro polished 7mm stem for smoother finish and less friction resulting in improved performance.Multi angle back cuts for enhanced flow.High-performance beehive springs are designed with the latest advancements in valve spring technology.Springs are nano-peened, polished and 100% inspected through load testing to ensure they exceed stringent quality standards to provide superior valve stability at high rpm range.The premium choice for a performance upgrade, they 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 7 deg., triple radius groove, standard install height.Equipped with chromoly spring bases.Come with Viton seals designed for maximum retention of elastic properties, along with excellent resistance to fluids, heat, and aging.Spring dia. (large end) O.D. 1.445in./I.D. 1.000in.; spring dia. (small end): O.D. 1.095in./I.D. 0.650in.; installed height 180 lbs @ 1.850in.; open load 400 lbs @ 1.250in.; spring rate 370 lbs-in.; max coil bind 1.210in.