Manley Dual Valve Spring Kit - 379 lb./in Spring Rate - 1.100" Coil Bind - 1.295" OD - Titanium Retainer - GM LS-Series Apparel & Merchandise Hedman Hedders Specialty/Engine Swap Header

Hedman Hedders Specialty/Engine Swap Header 89500 Tube Size 1

Quick connect/disconnect

Flip-over style prevents clips from falling out

Mercury 1050

Manley Dual Valve Spring Kit - 379 lb./in Spring Rate - 1.100" Coil Bind - 1.295" OD - Titanium Retainer - GM LS-Series Apparel & Merchandise Hedman Hedders Specialty/Engine Swap HeaderProduct Description: Valve Spring Kit Dual Spring 379 lb in Spring Rate 1. 100 in Coil Bind 1. 295 in OD Titanium Retainer GM LS Series 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,