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RHS (Racing Head Service) 54240-05KIT
Head Assembly Kit w/ .660" Lift Spring Kit for RHS Pro-Action LS1 Heads
RHS (Racing Head Service) 54240-06KIT
Head Assembly Kit w/ .570" Lift Spring Kit for RHS Pro-Action LS1 Heads
RHS (Racing Head Service) 35953-03
Cylinder Head Assembly Kit for Ford Small Block; asd
RHS (Racing Head Service) 35987-01
Cylinder Head Assembly Kit for SBF Hydraulic Roller; This assembly kit is used on our 160cc Runner Heads. Supports up to .600" Valve Lift with Stainless Valves, our 987 Springs, 10 Degree Retainers and Locks, along with Studs, Guideplates, Seals and Spring Seats.