KIBBLEWHITE Valve Spring Kit - Beehive 91-91300

High-revving engines demand valve springs engineered for precision and durability—especially when you're pushing performance limits on track or in competition. The Kibblewhite Beehive 91-91300 kit delivers progressive spring rates designed to maintain consistent valve control across your entire RPM range while resisting the wear and keeper pull-through that can derail a build. If you're serious about reliability without compromise, this U.S.-made solution puts you in control.

• Kobe super-clean, chrome silicon wire
• Heat treated and shot peened
• Progressive winding design
• FEA-designed hardened steel retainers
• Posi-Loc™ upper retainer style
• Hardened steel basewashers included
• Correct assembly height guaranteed
• OEM-style valve keys compatible
• Tight-tolerance engineering throughout
• Resists keeper pull-through
• Controls lateral movement
• Made in U.S.A.