Description
Proper valve seal clearance is critical to preventing oil leakage and maintaining consistent valve train geometry in high-performance Big Twin engines. The KIBBLEWHITE Lower Collar ensures your valve seals sit at the correct height while the counter-bored design maximizes retainer-to-seal clearance, eliminating binding and reducing wear during aggressive operation. This precision-engineered component is essential for rebuilds and performance upgrades where stock tolerances won’t cut it.
- Fits .725″ seal
- Fits .565″ valve guide
- Counter-bored design
- Heat-treated steel construction
- CNC-machined precision
- Big Twin compatible
- Made in U.S.A.
- Bolt-on installation
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