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Competition Cams 6506
Hi-Tech Belt Drive for SBC/Olds Rocket w/ Raised Cam and BBC Crank Snout; Infinitely adjustable with an extreme application belt, the Hi-Tech belt drive for SBC/Olds Rocket w/ BBC crank snout and raised cam location reduces flap through the RPM range while absorbing harmonics to stop valve train instability.
Competition Cams 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.
Competition Cams 6507B
74-Tooth Timing Belt for 6507 Xtreme Duty Hi-Tech SBC Belt Drive System
