Performance Parts

The Speedmaster PCE271.1013 is a precision hardened steel valve spring shim designed for engine valve train applications. With an outer diameter of 1.220", inner diameter of 0.511", and a thickness...

The Speedmaster PCE272.1006 is a precision single valve spring engineered for high-performance engine applications. With a 1.250" outer diameter and a load rating of 125 lbs at 1.750" of compression,...

The Speedmaster PCE272.1012 is a precision dual valve spring designed for high-performance LS engine applications. These springs deliver 134 pounds of load at 1.800" installed height and feature a 1...

The Speedmaster PCE272.1019 is a precision dual valve spring designed for LS engine applications, delivering 260 pounds of spring force at 1.800" installed height with a 0.960" coil bind...

The Speedmaster PCE272.1004 is a precision dual valve spring assembly with integral damper designed for high-performance engine builds. Engineered to deliver consistent spring force and vibration...

The Speedmaster PCE272.1010 is a precision-engineered dual valve spring designed for high-performance engine applications. This spring features a 1.500" outer diameter with a 250 lbs load rating at 2...

The Speedmaster PCE333.1073 is a straight brass reducer fitting engineered to connect 1/2" NPT (National Pipe Thread) male connections to 3/8" NPT female connections. This reducer is ideal for...

The Speedmaster PCE408.1002 is a pack of five 1/2" UNF knurled wheel studs designed for securing and aligning wheels in assembly and repair applications. Each stud measures 2" in length with a 0...

The Speedmaster PCE408.1001 wheel studs are 1/2" UNF diameter fasteners measuring 3" in length, designed for secure wheel attachment and assembly. Each stud features a 0.630" knurled section that...

The Speedmaster PCE425.1007 is a 1/4" flip over lock style steel hood pin lock kit designed to securely fasten and lock your vehicle's hood in place. This steel construction hood pin lock kit...

The Speedmaster PCE269.1002 is a set of 10 degree chromoly valve locks (keepers) engineered for high-performance engine applications. These valve locks feature an 11/32" diameter with standard...

The Speedmaster PCE269.1010 valve locks (also called keepers) are precision-engineered chromoly components designed for high-performance engine assembly. These 10-degree angled locks feature a +0...

The Speedmaster 10 PSI Residual Brake Pressure Valve (Model PCE492.1002) is a specialized automotive brake component designed to maintain a constant residual pressure in your brake system. This valve...

The Speedmaster 10" Chrome Raised Air Cleaner Base (PCE101.1003) is a chrome-plated mounting base designed to elevate and support an air cleaner assembly above the engine intake. This raised...

The Speedmaster PCE185.1001 is a 10" reversible 12-volt electric radiator thermo fan designed for flexible heating and cooling operations. Its reversible design allows airflow direction adjustment,...