COMP Cams Belt Drive CS Hi-Tech Xtreme - 6507

Xtreme Duty Hi-Tech Belt Drive w/ Idler for SBC/Olds Rocket and 1.250" belt

Infinitely adjustable with a 1.250" thick extreme application belt, the Hi-Tech belt drive system for Chevrolet Small Block reduces flap through the RPM range while absorbing crankshaft harmonics to prevent valve train instability.

Extreme application belt for high rpm and high compression durability. Infinitely adjustable Vernier sprocket for absolute timing accuracy. Unique belt idler system reduces flap throughout rpm range. Designed to absorb crankshaft harmonics to guard against performance robbing valve train instability. Utilizes a unique Camshaft thrust adjustment system without shims. Includes double lip Seals for long life and maximum crankcase vacuum. Ideal for Serious street performance and race applications.

• 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