MMR 5.4 Street Mod 900 (up to 900HP) 2V, 3V or 4V
 

*NEW Cast Iron 5.4 Block , torque plate bored and honed

*New 4340 Forged 4.165 stroke COBRA JET Crankshaft w/micro polished journals at no extra charge -the strongest 5.4 crank available!

*New MMR 4340 6.658 H-beam Rods

*New Forged Manley pistons, Low compression for Blower/turbo

*Total Seal file fit rings (precision file fit to your application, nitrous, blower, turbo or N/A)

*Clevite Performance 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.

 

1 YEAR WARRANTY

 

Shortblock Options:

Upgrade to 2011 GT500 Alloy block + $2499

Upgrade to M2500R Racing pistons $250

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

MMR Hurricane RACE oil pump with Billet Gears (includes lifetime warranty on pump) $399.99

MMR/Felpro Extreme Duty Headgaskets + $169.99

ARP Headstuds +$289.99

 

ARP Mainstuds (recommended for 600+HP) +169.99

 

ARP  Main Cap Side bolt kit $79.99

 

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.

500900 $2899