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Hyperco Springs
1967-1972 Chevelle / Malibu / El Camino
Additional gear ratio for ProCharger RaceDrive (integrated gear drive and supercharger combo)
3 Channel ABS
F-3R-121RD ProCharger RaceDrive Crank Drive:Short Splined Shaft Hyperco SpringsRACEDRIVE = INTEGRATED GEAR DRIVE AND SUPERCHARGER COMBO For those racers seeking a compact supercharger gear drive setup, ProCharger RaceDrive is the perfect combination! The RaceDrive is an integrated gear drive combined with the rugged F Series superchargers (F 1X 12 or F 3R 121), and is currently being offered in two configurations: the F 1X 12RD and F 3R 121RD. The ProCharger RaceDrive is a compact drive unit that centrally mounts the ProCharger