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Close tolerances are maintained to ensure proper spring location and long life even under extreme spring pressure conditions
All Engine Pro Performance Series rod bearings feature hardened steel backing for superior performance under high load and temperature conditions
Ford 351w & Gt40 Head
Engine Pro Performance Nitro Black Valves 01-3001-100 Specifications
Tri-metal material
Engine Pro Performance Guide Plates 05-1001-8 Close tolerances are maintained toEngine Pro Performance Guide Plates 05 1001 8 Specifications Push Rod Diameter: 5 16" Type: Stepped Applies to: Chevrolet Small Block 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 High