Performance Parts

The Speedmaster Shaft Mount Rocker Arm Bridge Block Shim .020 Kit (PCE257.1001) is a precision engine component designed for rocker arm bridge block positioning and adjustment in shaft-mounted valve...

The Speedmaster PCE415.1013.01 short Gilmer crank alternator and water pump pulleys are engineered belt-drive components designed for engine and cooling system applications. These pulleys work in...

The Speedmaster PCE521.1004 is a replacement metric brake caliper engineered for small GM front-brake applications spanning 1978 through 1988. This left-hand side unit features a 5-inch pin design...

The Speedmaster Small GM Front Metric Caliper (PCE521.1003) is a precision brake component engineered for 1978-1988 GM vehicles requiring front-axle brake system upgrades or replacements. Designed...

The Speedmaster PCE557.1003 is a soft ground base attachment designed for use with 48" and 60" farm jacks. This high lift attachment provides enhanced stability and weight distribution when operating...

The Speedmaster Special Edition Aluminum Air Cleaner PCE104.1083 is a high-performance air cleaning unit designed with a distinctive downdraft look and aluminum construction for durability and...

The Speedmaster Stainless Throttle Cable Bracket & Spring Kit (PCE126.1002) is a replacement hardware assembly designed for engine throttle control systems. This kit combines a stainless steel...

The Speedmaster Steel Gilmer Drive Alternator Pulley (model PCE238.1003) is a replacement pulley engineered for alternator drive systems. This chrome-finished steel pulley is designed for Gilmer belt...

The Speedmaster Supercharger 1V Groove Accessory Drive Pulley (model PCE239.1029) is a precision-engineered pulley designed for supercharger and high-performance engine accessory drive systems. This...

The Speedmaster Supercharger Idler Pulley Pedestal Swing Arm (PCE159.1005) is a precision-engineered component designed for supercharger drive systems. Featuring a 1.750" shoulder dimension, this...

The Speedmaster Supercharger Idler Pulley Stand (PCE159.1008) is a specialized mounting component designed for supercharger and high-performance engine drive belt systems. This stand features a 1...

The Speedmaster Supercharger Pop Off Plate Valve and Spring Kit (PCE159.1013) is a precision-engineered component designed for small-block Chevrolet (SBC) and big-block Chevrolet (BBC) supercharged...

The Speedmaster PCE466.1007 is a precision billet aluminum supercharger snout and crank pulley spacer designed for engine modifications and forced induction installations. This 0.465"-thick spacer...

The Speedmaster PCE466.1004 is a supercharger snout and crank pulley spacer engineered from billet aluminum for precision engine modification applications. At 1.060" thick, this spacer is designed to...

The Speedmaster Supercharger Snout Pulley Bolt Kit (PCE153.1004) is a precision fastener set designed for securing supercharger snout pulleys in high-performance engine applications. This 6-piece kit...