Billet Rear Main Seal Housing Cover / Block Support Ford 4.6/5.4

Billet Rear Main Seal Housing Cover / Block Support Ford 4.6/5.4 by MMR

5 Star Tuning is proud to offer the best main seal housing covers on the market!

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 gives stable housing for the rear main seal to eliminate leaks 100% and increase block stability and strength!

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 bell housing environments.

Product Fitment:

• 1996-2010 Mustang GT
• 1998-2004 Mustang Cobra
• 2007-2014 Mustang GT500
• 1996-2010 F150/F250 with 4.6 or 5.4
• 1993+ Lincoln 4.6 & 5.4
• For use with all stock and aftermarket crankshafts and blocks A MUST FOR ANY HIGH-HP BLOCK BUILD!

Product Features:

• Plug-and-play installation!
• Guaranteed leakproof design. No messy silicone is required like the factory
• Manufactured using Aerospace 6061 T6 Billet Alloy
• Designed for street use to full-race use
• Anodized to prevent corrosion in harsh bell housing environment
• New MMR Mounting hardware Viton O-ring gasket and MMR performance 1 piece rear main seal.
• As used in the 4000hp MMR World Record Holding MMR Promods!
• Fits ALL 4.6, 5.4, and 6.8 Cast iron and Aluminum Blocks
• Proudly Manufactured in the USA by MMR

SKU: 400031