Comp Cams STD CS Belt Drive With Idler

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