*Cast Iron Block, torque plate bored and honed, FULL RACE PREP, de-burred and custom Hone for Chrome faced ringset.

*New 4340 BILLET STEEL 4.165 stroke Forged Crankshaft, FULL RACE PREP- includes additional heat treat w/micro polished journals, shot peened and magnafluxed at no extra charge

*New BILLET ALUMINUM RACE ROD w/ARP 2000 BOLTS, MMR gives the rod a final deep tempering to increase strength up to 300%

*New Ceramic Coated dome and teflon Coated skirt Forged 2618 Manley or Diamond pistons   (High or low compression)

*Total Seal file fit rings with Chrome faced combustion/top ring for ultimate high cylinder pressure sealing(precision file fit to your application, nitrous, blower, turbo or N/A)

*Clevite Competition series heat treated Rod and Main bearings, each bearing is hand deburred at the parting line for perfect fit and oil clearance.

*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.

*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.