Overview of Kibblewhite Precision Machining High-Performance Ovate Wire Beehive Valve Spring Kit - 20-20660
.630 in. lift (seat pressure 170-180 lb.)
- Made with Kobe super-clean, chrome silicon base wire that is progressively wound, 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)me with special valve guide seal
- Accept Evolution Big Twin 84-04 style valve guide seals (sold separately)
- Made in the U.S.A.
- Type: Intake/Exhaust
- Max Valve Lift: .630"
- Installed Height: 1.860"
- Seat Pressure: 175#
- Open Pressure: 365#
- @Lift: .630"
NOTE: NOT RECOMMENDED FOR LIFTS OVER .630"
Specs for Kibblewhite Precision Machining High-Performance Ovate Wire Beehive Valve Spring Kit - 20-20660
||Valve Spring Kit
Alternate/OEM Part Number(s):