COMP Cams Idler Assembly(1.437in).125 Ov - 6500IDB-1

Engine Timing Belt Idler

Oversized Idler Assembly for All #6500 Series Chevy Drives (1.437" OD)

Oversized Idler Assembly for All #6500 Series Chevy Hi-Techâ„¢ Drives (1.437" OD). Includes bearings and snap ring.

• 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