Manley 1.640 Dual Valve Spring LK22074 Aluminum Body Dissipates Heat Faster

Aluminum Body Dissipates Heat Faster Than Steel

Silica has a low thermal conductivity making one of the best insulators

Vehicle Applications: GM Diesel Trucks 04

2 & 3 speed applications only

Direct OEM Replacement

Manley 1.640 Dual Valve Spring LK22074 Aluminum Body Dissipates Heat FasterProduct Description: Valve Spring NexTek Dual Spring 647 lb in Spring Rate 1. 070 in Coil Bind 1. 640 in OD Sold Individually 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