Description
New, break in time only. 446, (440 + .030) Mopar big block. Professionally built with American parts and complete documentation. 1971 block, OE forged steel crank, Clevite bearings, 440 Source forged rods, Sealed Power/TRW forged pistons with ARP rod bolts, Comp Cams hydraulic flat tappet cam, 231/237 durati...
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