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Extra large trunions for better load distribution and wear
Steel Retainer Number: 03-1012
Engine Pro Performance 10° Titanium Valve Spring Retainers 03-1735-16 Specifications
Engine Pro Performance Stainless Valves 01-1011 Specifications
Engine Pro Performance Engine Bearings 11-481HX Specifications
Engine Pro Performance Nitro Black Valves 01-3003 Extra large trunions for betterEngine Pro Performance Nitro Black Valves 01 3003 Specifications Type Int Head Diameter 2. 020 Stem Diameter 11 32" Installed Height Stock Overall Length 4. 910 Tip Length . 250 Applies to: Chevrolet Small Block Description: 21 4N High Strength Stainless Alloy Swirl Polished for Improved Flow Characteristics Fully Undercut Stem Hard Wafer Tip One Piece Forging Proprietary Liquid Nitriding Process that Creates a Valve that is Smoother Stronger and More