Engine Components

The Speedmaster Oldsmobile 350 400 425 455 Polished Fabricated Valve Covers are engineered replacements for classic Olds big-block engines. These polished covers deliver a premium appearance while...

The Speedmaster Oldsmobile 400 425 455 MID-AIR MidRise Aluminum Intake Manifold is a high-performance replacement designed for Oldsmobile big-block V8 engines from the classic muscle car era. This...

The Speedmaster Oldsmobile 400 425 455 MID-AIR MidRise aluminum intake manifold (MPN 1-147-077) is a performance-focused intake solution engineered for these classic Oldsmobile big-block engines...

The Speedmaster MID-AIR™ MidRise aluminum intake manifold is engineered for Oldsmobile 400, 425, and 455 big-block engines, delivering improved airflow and reliable performance. Constructed from...

The Speedmaster Oldsmobile 400 425 455 Rocker Stud Girdle Kit is engineered to secure and stabilize rocker arm assemblies on original equipment manufacturer (OEM) cylinder heads. This blue-finished...

The Speedmaster PCE291.1102 is a 6.500" external harmonic balancer damper engineered specifically for Oldsmobile 455 engines. This SFI-rated component is designed to absorb and dampen crankshaft...

The Speedmaster P-2 Centrifugal Supercharger V-Belt to Serpentine Conversion Pulley (PCE155.1011) is a precision-engineered drivetrain component designed to facilitate the conversion from traditional...

The Speedmaster PCE107.1018 is a 50mm downdraft manifold velocity stack dome air filter drop-in screen designed for high-performance engine intake systems. This component serves as a velocity stack...

This Speedmaster polished low-rise intake manifold (PCE147.1001) is engineered for Chevy SBC 350 engines in 1957–1995 non-EGR applications. The polished aluminum finish delivers both a clean...

The Speedmaster PCE147.1054 is a high-rise split intake manifold engineered specifically for Ford 351W Windsor engines. This manifold features a satin finish and is designed with a 4-valve...

The Speedmaster PCE147.1096 is a low-rise intake manifold engineered specifically for Chevy small-block (SBC) 350 engines in 1957–1985 models equipped with non-EGR configurations. This precision-cast...

The Speedmaster PCE147.1106 is a high-rise intake manifold engineered for Chevy and GM LS7 engines with a 4500 rpm power band. Featuring EFI (Electronic Fuel Injection) provisions, this manifold...

The Speedmaster PCE147.1123 is a premium Ford 351W SVO Windsor intake manifold designed for the 3V cylinder head configuration with 4V port compatibility via tongues. This mid-rise open intake...

The Speedmaster PCE148.1045 is a high-rise intake manifold engineered for Chevy small-block (SBC) 350 engines spanning 1957–1995 model years. This manifold features a 15-degree port design and...

The Speedmaster PCE148.1054 is a high-quality aluminum intake manifold engineered for Chevy and GM Vortec 496 and 537 cubic inch (8.8L) engines. Featuring a 91mm bore and satin aluminum construction,...