MMR 4.6L Street Mod 900 Shortblock

Lethal Performance is proud to team up with Modular Mustang Racing to offer you some of the finest products available for your Modular Mustang. Modular Mustang Racing is home to the fastest stock style suspension Modular Mustang with a 8.07@168.

MMR 4.6 Street Mod 900 (up to 900HP)

*Brand New Cast Iron 2004 Cobra Block, torque plate bored and honed
*New 4340 Forged 3.543 stroke Cobra Crankshaft w/micro polished journals at no extra charge
*New 4340 5.933 Manley H-beam Rods w/ARP rod bolts ( These US made rods are shotpeened, magnafluxed and weight matched to bring you the finest H-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)
*Speed Pro/Federal Mogul tri-metal Rod and Main bearings
*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
ARP 2000 Rod Bolt Upgrade (recommended for 900+HP) $99.99
ARP Mainstuds (recommended for 600+HP) +169.99
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.