COMP Cams Lower Seal For 6500 And 6504 - 6500LS-1

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
• Designed to absorb crankshaft harmonics to guard against performance-robbing valve train instability
• Extreme application belt for high RPM and high compression durability
• Unique belt idler system to reduce flap throughout RPM range
• Different diameter idlers available for racers with align bored blocks