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
