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Edelbrock Rollin’ Thunder Camshaft for ’57-’86 SB Chevy

Edelbrock Rollin’ Thunder series camshafts improve horsepower and torque, produce a satisfying performance idle, and provide sufficient vacuum for power brakes and other powered accessories. As with all Rollin’ Thunder camshafts, the 2231 features a more aggressive lift profile than conventional hydraulic flat-tappet cams—without the excessive valve overlap that can compromise low-rpm drivability. Features Exclusively […]

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