MMR 4.6 Race Mod 1100 (up to 1100HP)

*Brand New Cast Iron 2004 Cobra Block, torque plate bored and honed
*New 4340 Forged 3.543 Cobra Crankshaft, includes additional heat treat w/micro polished journals at no extra charge
*New 4340 5.933 Manley Pro-series Rods w/ARP 2000 Rod bolts( These US made rods are shotpeened, magnafluxed and weight matched to bring you the finest I-beam rod available for your 4.6
*New Forged Manley pistons 3.552 Bore size (High or low compression)
*Speed Pro file fit rings (precision file fit to your application, nitrous, blower, turbo or N/A)
*Federal Mogul Competition series heat treated Rod and Main bearings
*ARP main stud kit for maintaining correct cap location under the hardest of loads
*Complete Pro Assembly and Balancing for the smoothest, highest revving shortblock available.

Shortblock Options:

Coated Pistons (ceramic dome/teflon skirt) $399.99
Brand New Current production Aluminum Block +$399.99
MMR Street/Racing Oil Pump (highly recommended) + $199.99
ARP Headstuds and MMR/Felpro Extreme Duty Headgaskets + $369.99
MMR windage tray and hardware kit (+15HP) + 129.99

*Due to the custom nature of MMR shortblocks ALL customers paying with a credit card will be billed when the order is placed (prior to engine assembly and shipping), All MMR shortblocks are non-refundable regardless if the item has shipped or not.