Valve Spring Kit - Big Twin - 90-2053To be used with cams with up to . 550" lift. Includes springs and aluminum top retainers. 140 lb. seat pressure. Must allow additional rocker clearance for 48 65 Panheads. Made in the U. S. A..
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To be used with cams with up to .550" lift. Includes springs and aluminum top retainers. 140-lb. seat pressure. Must allow additional rocker clearance for 48-65 Panheads. Made in the U.S.A..