PAC Racing Springs 7 Degree Valve Lock - 11/32 in Valve Stem - 0.050 in More Height - Black Oxide (Set of 16) 9740 Does NOT fit EcoBoost engines

Does NOT fit EcoBoost engines

F-450 Super Duty

MBRP Exhaust PLM Series

Connector and Pin Kit

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PAC Racing Springs 7 Degree Valve Lock - 11/32 in Valve Stem - 0.050 in More Height - Black Oxide (Set of 16) 9740 Does NOT fit EcoBoost enginesProduct Description: Valve Lock 7 Degree 11 32 in Valve Stem 0. 050 in More Height Steel Black Oxide Set of 16 Traditional Springs are made from the same size (Diameter) wire throughout the helix of the spring. PAC Racing Springs has partnered with technology leaders in order to provide this advanced new tapered wire product. Tapered wire allows for a true progressive and dual rate without reducing spring travel and increasing weight from traditional