Modular Motorsports Racing 400031 Billet Rear Main Seal Housing Cover / Block Support For Ford 4.6/5.4

Fits Vehicle: Ford 4.6/5.4

This 1/2 inch billet aluminum CNC machined plate replaces the factory cast alloy rear main seal housing cover. Its thick CNC construction helps support the rear of the block and provides a stable housing for the rear main seal to 100% Eliminate leaks and increase block strength & stability.

The MMR cover is O ringed to eliminate messy silicone and downtime from scraping old silicone every time the engine is torn down. Includes hardware and MMR High performance 1 piece rear main seal. Anodized to protect from corrosion in harsh bellhousing environment.