PPE Diesel 110090050 2001-2016 GM 6.6L Duramax Valve Springs, Retainers, and Keepers Complete Kit Smashed Performance 7L 2011-2019 Ford F-450/F53/550/F59 6

7L 2011-2019 Ford F-450/F53/550/F59 6

Installs In Approximately 1 Hr

The threads are M16x1

(1) Crazy Washer

PPE Diesel 110090050 2001-2016 GM 6.6L Duramax Valve Springs, Retainers, and Keepers Complete Kit Smashed Performance 7L 2011-2019 Ford F-450/F53/550/F59 6The valve spring, spring seat retainer keeper kit comes installed with each PPE Duramax Cast Iron Cylinder head. The tapered valve springs' higher spring rate and lighter valve train weight enable faster response during higher RPMs and eliminate valve float. Premium chromoly material construction ensures the longevity and durability of valve seats, retainers, and keepers. Kit Includes: 32 springs 32 spring retainers 32 spring seats 32 sets of keepers