Mark Williams Differential Main Caps - Steel - Black Oxide - GM 12 Bolt H762427M Nomex ® and Pyrovatex ®

Nomex ® and Pyrovatex ® layered construction offers the maximum combination of overall flame and heat protection

consistent air/fuel ratios for your engine

For use with Full Sweep and Short Sweep Electric gauges only

Hedman Hedders Specialty/Engine Swap Header 89500 Tube Size 1

very fine grain structure is achieved

Mark Williams Differential Main Caps - Steel - Black Oxide - GM 12 Bolt H762427M Nomex ® and Pyrovatex ®One of the most common causes of rear end component failure can be traced to the stock rear end caps. To cure this problem MW makes a replacement cap from billet steel with an increased cross section and heat treated grade 8 hardware (included). Requires precision measuring of the cap bore and milling of cap parting line to install. Differential Main Caps Hardware Included Steel Black Oxide GM 12 Bolt Mark Williams Enterprises manufactures a full