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Professional Valve Springs Chrome Silicon Material for Oval Track Racing H-11 tool steel for Drag Racing Each spring designed to withstand the brutal racing conditions. Advertised pressures are achieved after springs have been pressed solid 3 times.

Part # Type Application Size OD/ID Pressures Rate (lbs/in) 7° Steel Retainer 10° Steel Retainer Price/ Set 22410-16 Outer w/Damper Oval Track Stock Class Chrome Silicon 1.250" .865" 130 @ 1.750 320 @ 1.200 345 23651 (7°x11/32" Steel) 23652 (7°x11/32" +.050" Steel) 23642 (7°x11/32" + .050" Titanium) - $59 22411-16 Outer w/Damper SB Chevy Stock Dia. Tool Steel 1.255" .870" 125 @ 1.800 383 @ 1.200 428 23651 (7°x11/32" Steel) 23652 (7°x11/32" +.050" Steel) 23642 (7°x11/32" + .050" Titanium) - $119 22441-16 Double w/Damper Oval Track Chrome Silicon 1.550" .740" 170 @ 1.900 500 @ 1.200 471 23670 23658 (std) 23660 (+.100) $152 22429-16 Double w/Damper Oval Track Chrome Silicon 1.550" .740" 150 @ 1.880 425 @ 1.280 458 23671 23657 (std) 23661 (+.100) $162 22430-16 Double w/Damper Oval Track Chrome Silicon 1.550" .735" 210 @ 1.900 525 @ 1.250 484 23671 23657 (std) 23661 (+.100) $145 22440-16 * Double w/Damper Drag Race Tool Steel 1.550" .720" 250 @ 1.850 680 @ 1.150 614 23670 23658 (std) 23660 (+.100) $279 22438-16 * Double w/Damper Drag Race Tool Steel 1.625" .775" 328 @ 1.900 806 @ 1.200 682 23669 23654 (std) 23655 (+.100) $279 22448-16 * Double w/Damper Drag Race Tool Steel 1.625" .775" 240 @ 1.900 760 @ 1.150 693 23669 23654 (std) 23655 (+.100) $279 22458-16 * Double w/Damper Drag Race Tool Steel 1.625" .775" 260 @ 2.000 840 @ 1.150 682 23669 23654 (std) 23655 (+.100) $279

* Advertised pressures are achieved after springs have been pressed solid three times.

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