KIBBLEWHITE Valve Spring Kit Beehive 91-91300

Progressively wound springs using Kobe super-clean, chrome silicon-based wire that is heat treated and shot peened, Tight-tolerance, FEA-designed hardened steel Posi-Loc style upper retainers to ensure correct assembly height and resist keeper “pull through”, Hardened steel basewashers control lateral movement, Kits use OEM-style valve keys (sold separately), Made in the U.S.A.