MMR 5.4 Street Mod 1000 Forged shortblock - Lightning/GT500/F150

From the World 5.4 record holders comes one of our most popular shortblocks for F150/F250 and GT500 Customers. Handles Up to 1000RWHP!

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

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

*New MANLEY 4340 6.658 H-beam Rods with ARP bolts

*New Forged Manley pistons with Chromoly Pins

*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 Mod Lube Assembly Lube and spin tested.

*Lastly 2 technicians sign off on your new engine prior to packaging and crating.

*6 Month WARRANTY *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.

  • Model: 501000
  • Manufactured by: MMR


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