Engine Components

The Speedmaster polished aluminum valve covers are precision-engineered replacements and upgrades for Chevy and GM LS-series engines, including LS1, LS2, LS3, LS6, and LS7 models. These covers...

These Speedmaster polished fabricated valve covers are engineered for Chevy LS-series engines including LS1, LS2, LS3, LS6, and LS7 platforms. Designed without coil mounts, they provide a clean...

The Speedmaster 1-147-092 is a polished aluminum HiRise intake manifold engineered for Pontiac V8 engines spanning the 326, 350, 389, 400, 421, 428, and 455 cubic-inch displacement range. This...

The Speedmaster Pontiac MID-AIR MidRise Aluminum Intake Manifold (Model 1-147-074) is a premium polished aluminum intake manifold engineered for classic Pontiac engine blocks. This manifold is...

The Speedmaster DNA® Aluminum Roller Rocker Arms Set (1-261-015) is a high-performance rocker arm assembly engineered for Pontiac 326, 400, and 455 cubic-inch engines. This set features a 1.52...

The Speedmaster Pontiac 326 400 455 Roller Rocker Arms Set (Model 1-261-016) is a complete engine valvetrain component designed for 1960s and 1970s Pontiac big-block engines. Featuring a 1.65 ratio...

The Speedmaster PCE314.1048 chrome steel valve covers are engineered specifically for Pontiac 326, 400, and 455 engines. These 3.5" tall covers feature a baffled hole design that helps manage...

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 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...

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 SBC 350 oil pan (PCE300.1031.01) is a one-piece polished finned aluminum pan designed for Chevrolet small-block 350 engines from 1986 and up, specifically configured for...