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Undercut Stem Alloy (21-4N)
Lash Cap Recess No
incorporate rolled threads and a perfectly flat surface for maximum poly lock engagement
Proprietary Liquid Nitriding Process that Creates a Valve that is Smoother Stronger and More Corrosion Resistant than Traditional Chromed Valves
Closed Load: 240
Engine Pro Performance Nitro Black Beehive Springs 02-1201-16 Undercut Stem Alloy (21-4N)Engine Pro Performance Nitro Black Beehive Springs 02 1201 16 Specifications Spring O. D. Bottom: 1. 292 Spring I. D. Bottom: 0. 880 Spring O. D. Top: 1. 062 Spring I. D. Top: 0. 650 Closed Height: 1. 800 Closed Load: 135 Open Height: 1. 150 Open Load: 330 Coil Bind: 1. 110 Max. Lift: . 650 Rate: 300 Material Type (Cr, Si, V, Ni: Chrome, Silicon, Vanadium, Nickel): Cr Si V Ni Steel Retainer Number: 03 1011, 03 1013, 03 1014, 03 1015 Titanium Retainer
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