COMP Cams Valve Spring Retainers for LS1 Running Boards Truck Steps & Components ARP Starter Bolts feature smaller

ARP Starter Bolts feature smaller diameter heads to make accessibility more convenient

Hook-and-loop closure makes installation and removal simple

2006-2013 Ford F53

or ring and pinion backlash

2003-2006 GMC C6500 Topkick

COMP Cams Valve Spring Retainers for LS1 Running Boards Truck Steps & Components ARP Starter Bolts feature smallerPrecision machined from chromemoly steel then black oxided, these 7 degree retainers are designed specifically for GM LS engines with 1. 430" 1. 460" outer diameter valve springs. The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing COMP Cams has never forgotten: Performance is defined by what happens out on the race track. Because no matter what happens