Engine Crankshaft Seal
Lower Seal for #6500, #6504, #6507 Hi-Tech Belt Drive Systems
Lower Seal for Hi-Techâ„¢ Belt Drive Systems (#6500, #6502, #6504 and #6506)
- 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
