SPRING KIT.605" M8 17-19 SIDEWINDER® .650" VALVE SPRING KITS SIDEWINDER® .650" VALVE SPRING KITS Include springs, upper and lower collars and keys For valve lift to .650" with 1.860" /178 lbs. installed height, 376 lbs. at max lift Max 6500 rpm Made in the U.S.A.
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