With precision-machined and heat-treated billet steel gears, our gear drive set for OE-Roller Chevrolet 305 and 350 eliminates timing movement and produces a whining sound similar to the sound produced by superchargers.
Precision machined, heat-treated billet Steel Gears for timing accuracy and durability. Unique design eliminates timing movement throughout the rpm range. Ready-to-install kit, including bolts and lock plate, ideal for street performance Applications that desire a whining blower sound .
