Upper Cam Seal for 6200 and 6300 Chevrolet Big Block Belt Drive System
Upper Cam Seal for #6200 and #6300 (2 .845" OD)
Upper Cam Seal for Hi-Techâ„¢ Belt Drive Systems #6200 and #6300 (2.845" OD).
- Infinitely adjustable Vernier sprocket for absolute timing accuracy
- Includes double lip seals for long life and maximum crankcase vacuum
- Utilizes a unique camshaft thrust adjustment system without shims
- Designed to absorb crankshaft harmonics to guard against performance-robbing valve train instability
- Unique belt idler system to reduce flap throughout RPM range
- Extreme application belt for high RPM and high compression durability
- Different diameter idlers available for racers with align bored blocks
