MMR 4.75 Race Mod 1500 (up to 1500 RWHP) 2V, 3V or 4V
*Brand New Cast Iron 2004 Cobra Block, torque plate bored and honed
*New 4340 Forged Custom 4.75 US Made Forged Crankshaft, includes additional heat treat w/micro polished journals at no extra charge
*New 4340 5.933 Manley Pro-series Billet 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 2618 Alloy Forged Manley or Diamond pistons (High or low compression)
*Total Seal file fit rings (precision file fit to your application, nitrous, blower, turbo or N/A)
*Clevite 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, Pre-Lubricated with Royal Purple Assembly Lube and spin tested. Lastly 3 technicians sign off on your new engine prior to packaging and crating.
Shortblock Options:
NEW Ford Racing BOSS 302 Cast iron Block $999.99 (increases engine size to 5.15L)
Upgrade to M2500R Pistons (up to 2500HP street or strip!) + $250
Brand New Current production Aluminum Block + $999
Upgrade to MMR Hurricane Billet oil pump gears (includes lifetime warranty on gears to original owner) +$249.99 (free installation)
Upgrade to MMR block side bolts (recommended for 500+ HP) +$49.99
MMR Performance water pump $79.99 MMR/Felpro Extreme Duty
Headgaskets + $169.99 ARP Headstuds +$269.99
MMR windage tray and hardware kit (+15HP) + 129.99
Extended Warranty +$300 (extends warranty to 18 months total and includes shipping to and from MMR)
If ordering online please state options requested in the notes section, we will add them before processing your order.
Shown below with optional Aluminum Block and Ceramic Piston Coating
*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.