*Hi-Tech Belt Drive Systems* * Extreme application belt for high RPM and high compression durability * Infinitely adjustable Vernier sprocket for absolute timing accuracy * Unique belt idler system to reduce 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 * Different diameter idlers available for racers with align bored blocks * Ideal for serious street performance and race applications PartNumber : cca6500IDA-1 Description : Belt Drive Idler Assembly Title : 6500IDA-1 Idler Assembly,(1.375").062 Oversize California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Uncategorized::Uncategorized