Manley 1.620 Dual Valve Springs - Polished 851001 1-3/4 in Hose

1-3/4 in Hose

We offer more styles

adjustable by 10 RPM increments - including Launch Lite

340LPH @ 73 PSI (30 psi boost)

Clear/Smoke/Black

Manley 1.620 Dual Valve Springs - Polished 851001 1-3/4 in HoseProduct Description: Valve Spring NexTek Dual Spring 500 lb in Spring Rate 1. 200 in Coil Bind 1. 620 in OD Polished Set of 16 Manley Performance high performance and racing engine parts have been powering winners since 1966. Since our inception in March 1966, Manley Performance Products has been at the forefront of the high performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown University, our journey