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Engine Pro Performance Steel Valve Spring Retainers 03-1003-16 Specifications
Stud Diameter: 7/16"
3 Radial Grooves
Engine Pro Performance Steel Valve Spring Retainers 03-1005-16 Specifications
Engine Pro Performance Guide Plates 05-1003-8 Engine Pro Performance Steel ValveEngine Pro Performance Guide Plates 05 1003 8 Specifications Push Rod Diameter: 5 16" Type: Flat Applies to: Ford Small Block (289, 302, 351W) Description: Engine Pro Guide Plates are manufactured using high strength steel for maximum rigidity, stability and flex resistance. IMPORTANT: Using a push rod guide plate will not remedy incorrect valve train geometry. Black Oxide Coating Proper Positioning Promotes Valve Train Stability A Must for High Lift