MMR 4.6 Street Mod 500 (up to 500 RWHP)
The perfect upgraded replacement for your forced induction or NOS GT

*Choice of New or Freshly Machined Cast Iron Romeo Block, torque plate bored and honed
*New Ford Racing Cast Iron Crankshaft (8 bolt or 6 bolt)
*New 2011 Forged Mustang 5.0 connecting rods
*New KB/Silvolite Pistons
*Total Seal file fit rings (precision file fit to your application, nitrous, blower, turbo or N/A)
* Clevite Rod and Main bearings
*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 pricing:

Using Customer supplied block and Crank: $1599
Using Customer supplied block: $1699
Using Freshly machined MMR block $1899
Using New Ford Racing block $1999

Options:

Freshly Machined Aluminum Block +$799

Upgrade to MMR 4340 H beam rods w/arp hardware + $199

Upgrade to MMR block side bolts +$49.99 (free installation)

ARP Mainstuds +189.99 (free installation)

MMR Street/Racing Oil Pump (highly recommended) + $159.99 (free installation)

MMR Performance water pump $79.99

MMR/Felpro Extreme Duty Headgaskets + $169.99

ARP Headstuds +$289.99

MMR windage tray and hardware kit (+15HP) + 129.99

Shown below with optional aluminum block

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.
 

*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.

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call to order

IN STOCK READY TO SHIP IN MOST COMPRESSION RATIOS!!