Performance Parts

The Speedmaster PCE251.1026 flat guide plates are precision-engineered components designed for Pontiac 326, 400, and 455 engines. These guide plates feature a 5/16" pushrod opening and 7/16" stud...

The Speedmaster PCE314.1162 polished finned aluminum valve covers are precision-engineered replacements for Pontiac 326, 400, and 455 engines. Featuring a distinctive nostalgic finned design with...

The Speedmaster Pontiac 326 400 455 Polished Nostalgic Finned Aluminum Valve Covers deliver classic muscle car styling with a show-quality finish. Engineered for Pontiac big-block engines, these...

The Speedmaster Pontiac 326 400 455 Rear Sump Chrome Oil Pan (PCE300.1046.01) is a direct-fit replacement pan engineered for Pontiac big-block engines. Designed specifically for rear-sump...

The Speedmaster Pontiac 326-455 HiRise Aluminum Intake Manifold (MPN 1-147-093) is engineered for classic Pontiac engines spanning the 326, 350, 389, 400, 421, 428, and 455 cubic-inch displacement...

The Speedmaster Pontiac 400 455 72cc Head Build Kit (MPN 1-250-046-01) is a complete hydraulic flat tappet head assembly solution designed for Pontiac engine rebuilds and performance applications...

The Speedmaster Pontiac 400 455 72cc Head Build Kit is a precision engine component designed for high-performance Pontiac 400 and 455 cubic-inch engine builds. This kit features a 72cc combustion...

The Speedmaster Pontiac 455 4340 Forged Steel Crankshaft (PCE276.1140) is a precision-engineered rotating assembly component designed for Pontiac 455 big-block engines. This crankshaft is forged from...

The Speedmaster Pontiac 455 OEM 2 Bolt to 4 Bolt Straight Billet Steel Main Caps (PCE289.1013) are precision-machined conversion components designed to upgrade classic Pontiac 455 engines. These...

This Speedmaster harmonic balancer is an internal balanced fluid damper designed specifically for Pontiac V8 engines. The 6.625" diameter design with SFI 18.1 certification ensures reliable...

The Speedmaster PCE634.1001 is a billet aluminum valve body designed for Powerglide transmissions, engineered to deliver precise shift control in high-performance and drag racing applications. This...

The Speedmaster Powerglide Transmission Cable Bracket and Lever (model PCE217.1006, [70460]) is a specialized transmission control component designed for Powerglide transmission systems. This bracket...

The Speedmaster Pro Billet Distributor (PCE376.1157.01) is a high-performance ignition distributor engineered for Ford FE big-block engines, including the 390, 427, 428, and 8000 Series platforms...

The Speedmaster Pro Billet Distributor is a precision-engineered component designed specifically for Mopar Chrysler big-block 440 engines in the 8000 Series lineup. This distributor features a...

The Speedmaster Pro HEI Distributor 4 Pin Magnetic Pickup Ignition Control Module (PCE383.1006) is a precision ignition system component designed for high-performance engine applications. This...