body { font-family: Arial, sans-serif; line-height: 1.6; margin: 20px; } h2, h3 { color: #2c3e50; } ul { list-style: none; padding: 0; } table { width: 100%; border-collapse: collapse; margin: 20px 0; } table, th, td { border: 1px solid #ddd; } th, td { padding: 10px; text-align: left; } th { background-color: #f4f4f4; } .vehicle-list { background-color: #f9f9f9; padding: 15px; border-radius: 5px; } .vehicle-list span { display: inline-block; background-color: #ecf0f1; margin: 5px; padding: 8px 12px; border-radius: 4px; font-size: 14px; } Valve Spring, Dual Spring, 540 lb/in Spring Rate, 1.155 in Coil Bind, 1.550 in OD, Each 1.550 OD VALVE SPRING SOLID ROLLER CAM Established in 1970 in Valencia, CA, Air Flow Research is a family-owned and operated company building products for the Professional Racing and Street markets, including racers, street performance fans, and everyone in-between. The Air Flow Research product lineup contains cylinder heads, intake manifolds, valves, gaskets, carburetor adapters and spacers, lifters, fasteners, and more. ManufacturerPart: AFR8000-1 Package Weight (lbs): 0.33 Package Length (in): 3.6 Package Width (in): 1.9 Package Height (in): 1.7 Spring Style Standard Spring Quantity Dual Spring Damper No Spring Rate 540 lb/in Coil Bind Height 1.155 in Outside Diameter of Outer Spring 1.55 in Inside Diameter of Inner Spring 0.8 in Maximum Valve Lift 0.71 in Seat Load (LBS) 220 lbs Seat Load At (in) 1.95 in Open Load (LBS) 603 lbs Open Load At (in) 1.24 in Alloy Spring Wire Material Steel Quantity Each Buy with confidence If you encounter any issues with your product, simply reach out to us. We are committed to ensuring your satisfaction and will assist with any return or exchange requests that meet our policy guidelines.