Isky Cams Tool Room Dual Spring / Damper Valve Spring - 500 lb/in Spring Rate - 1.200 in Coil Bind - 1.560 in OD - Set of 16 JM-S-F-STX Shoulders adjust from 25" to

Shoulders adjust from 25" to 72" and lap belt adjusts from 30" to 70"

2013 Toyota Sienna XLE

These front bumpers are formed from 1" round steel tubing

1977-1985 Chevrolet Caprice Classic CID 305 Naturally Aspirated GAS

AFR Emissions Legal (versions from 1969-94 with heat riser

Isky Cams Tool Room Dual Spring / Damper Valve Spring - 500 lb/in Spring Rate - 1.200 in Coil Bind - 1.560 in OD - Set of 16 JM-S-F-STX Shoulders adjust from 25" toTest proven for 1000 racing miles, Precision Tool Valve Springs feature the highest quality alloy wire and trade secret endurance processing. Great for Super Modifieds, ARCA, Grand National, NASCAR Trucks, Cup and applications up to 8800 RPM. As the world's largest racing, performance, and economy cam manufacturer, Isky maintains a dynamometer testing program for constant improvement of camshaft and valve train design. These tests are conducted daily