Vance & Hines 35-4520 Valve Set 1.805 Intake Vance & Hines Race Shop Components Beehive Valve Spring kits are designed with the latest advancements in valve spring technology. These High-Performance Beehive Valve 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 premier choice for your performance upgrade, including drop-in ready; no machining to heads required. Kits come with all necessary hardware required: springs, retainers, spring bases, keepers and Viton valve seals.
- Precision CNC-machined from a stainless one-piece forging for higher strength and durability
- High-grade alloy allowing the valve to withstand high heat and still maintain roundness
- Chromed coating on all stainless valves
- Micropolished stem for smoother finish and less friction resulting in improved performance
- Multiangle back cuts for enhanced flow
- Track tested and proved design on the world's fastest Pro Street and Pro Mod motorcycles
- Retainers made from 4140 chromoly steel, heat-treated and processed to mainain high strength and lightweight design
- Keepers type FM0D7, lock angle 7 Degree triple radius groove, standard install height
- Equipped with chromoly spring bases
- Kits come with premium Viton seals that are designed for maximum retention of elastic properties
- Stainless Steel
- .600 in. Max Lift
- Spring Diameter: Large end
- - OD: 1.445 in.
- - ID: 1.000 in.
- Spring Diameter: Small End
- -OD: 1.095 in.
- -ID: 0.650 in.
- Installed height: 180 lbs. and 1.850 in.
- Open Load: 400 lbs. and 1.250 in.
- Spring Rate: 370 lbs.-in.
- Coil Bind (Max): 1.210 in.
