The blocks are in the final stages of Production and orders are now being accepted.
Some Key features about the new MMR Block:
MMR has added additional side bolts for a total of 4, size has also been increased from 9mm to 7/16 !
MMR has Increased Main bolt/stud size to 1/2" on both inner and outers.
MMR has added AN O ring inlet and oulet for Oil (remote oil filter required)
MMR Has Increased Head stud size to 1/2 (this size still fits through factory head with no modifications)
MMR Has replaced tap in freeze plugs for the Main Oil Galley with flush AN -6 O ring to eliminate oil pressure loss from freeze plugs coming out.
Blocks will be available in both Std deck (5.0) and a tall deck version (will make up to 400ci)
Blocks will be available in DRY/SOLID version and Wet versions for street use.
Accepts both STD GT/BOSS and GT350 heads
Available in any Bore size up to 3.700
Sleeves are 100% replaceable and will be kept on the shelf at MMR
More Pics coming soon