Comp Cams FORD 3.8L-4.2L STEEL RETAINER 4G4RBF Photon RGB Rock Light with

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Large doors and windows frame panoramic views

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Comp Cams FORD 3.8L-4.2L STEEL RETAINER 4G4RBF Photon RGB Rock Light with7 Steel Retainers: Stock Spring Dia. Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs. New COMP Cams Steel Retainers are the perfect solution to this problem. COMP engineers used 3D CAD with FEA to design retainers with a modern and advanced contoured top profiling for lower stress, increased lift and a reduction in mass. The retainers are CNC machined to exact tolerances using CAD CAM