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.
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. A MUST FOR ANY HIGH HP BLOCK BUILD!
Fits ALL 4.6 / 5.4 / 6.8 Cast iron and Aluminum Blocks
Anodized to prevent corrosion in harsh bellhousing environment
Guaranteed leak proof design
No Messy silicone required like factory
Manufactured using Aerospace 6061 T6 Billet Alloy
New MMR Mounting hardware
Viton O-ring gasket and MMR performance 1 piece rear main seal.
Plug and play install!
Designed for street use to full race use
As used in the 4000hp MMR World Record Holding MMR Promods!
Proudly Manufactured in the USA by MMR Learn More
MMR 400046 Billet Trigger Reluctor Wheel 4.6L / 5.4L / GT / Cobra / 2007-2014 Shelby GT500 Tested by Team MMR up to 10,000RPM!! USA Machined From Billet Steel Increases possible RPM potential with a cleaner trigger signal Higher strength reducing deformity at high rpm