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Muscle Car Plus Parts Store Performance

Speedmaster Chevy BBC 454 Eliminator Oval Port Intake

Speedmaster’s new Crosswind design manifold for the big block Chevy engines features oval ports, nitrous bosses, dual distributor hold downs and four corner water ports. This is the ideal manifold

Muscle Car Plus Parts Store Performance

Speedmaster Harmonic Damper Balancer for Chevy BBC 454

Speedmaster’s Harmonic Dampers are manufactured from forged K1045 low-carbon steel and tuned elastomer between the two layers of steel. They feature a bonding process which utilizes a strong adhesive along

Muscle Car Plus Parts Store Performance

Speedmaster’s SFI-Rated Billet Steel Flexplates

Speedmaster’s SFI-Rated Billet Steel Flexplates are engineered to handle extreme duty applications and are designed to endure the punishment dished out from high-horsepower engines. They are CAD engineered and precision

Muscle Car Plus Parts Store Performance

Speedmaster Chevrolet BBC 454 Downdraft EFI Stack Intake Manifold System

Speedmaster’s Individual throttle body EFI system has the flash of a classic Weber induction, but provides a higher state of tune with the engine performance versatility of EFI. The systems