Performance Parts

The Speedmaster PCE283.1006 is a 4-piece valve seat set designed for Ford 429 and 469 big-block engines, specifically sized for intake valve applications with a +0.010 oversize specification. This...

The Speedmaster PCE287.1012 is a main stud kit engineered for Chrysler Slant 6 cylinder engines, specifically designed for 170, 198, and 225 cubic inch displacement variants with 2-bolt mounting...

The Speedmaster PCE287.1026 is a complete 2-bolt, 12-point bolt kit engineered for Chevy big-block Chevrolet (BBC) 396 and 454 engines. This precision fastener set delivers the correct specifications...

The Speedmaster PCE288.1004 is a zinc-finished steel main girdle engineered for Chevy SBC 350 small-block engines. This main girdle is a critical engine block reinforcement component that provides...

The Speedmaster PCE288.1006 is a zinc finished steel main girdle designed specifically for Chevy LS1 engine platforms. This main girdle reinforces the engine block's main bearing cap area, providing...

The Speedmaster PCE288.1008 is a zinc finished steel main girdle designed specifically for Chevy 400 engines. This main girdle is a critical engine block component that provides structural support...

The Speedmaster PCE288.1010 is a zinc-finished steel main girdle designed specifically for Chevy BBC (Big Block Chevrolet) 454 engines. This main girdle provides critical reinforcement and support to...

The Speedmaster PCE288.1013 is an anodized aluminum main girdle engineered for Ford small-block 289 and 302 Windsor engines. This main girdle serves as a critical reinforcement component that bolts...

The Speedmaster PCE288.1016 is a zinc-finished steel main girdle engineered for Ford Big Block 429 and 460 engines. This main girdle reinforces the crankshaft main bearing saddles, providing...

The Speedmaster PCE288.1018 is a zinc-finished steel main girdle designed for Mopar Chrysler big-block 383 and 440 engines. This precision engine component reinforces the main bearing area of the...

The Speedmaster PCE288.1020 is a natural steel main girdle engineered specifically for Ford 351C Cleveland engines. This main girdle bolts to the engine block to reinforce and support the crankshaft...

The Speedmaster PCE288.1021 is an anodized aluminum main girdle engineered specifically for Ford 351C Cleveland engines. This main girdle provides structural support to the engine block's main...

The Speedmaster PCE289.1005 is a precision-engineered replacement for OEM Chevy BBC 454 main caps, manufactured from billet steel for durability and consistent performance. These 4 bolt main caps are...

The Speedmaster PCE291.1012 is an external-balanced harmonic balancer engineered for Chevy 383 and 400 big-block engines. With a 6.610-inch diameter and SFI 18.1 certification, this balancer is...

The Speedmaster PCE291.1016 is a 50oz external balanced harmonic balancer designed specifically for Ford small-block 302 and 351 Windsor engines. This balancer features external weight distribution...