New Rebuilt 69' 340
69' block .030 over 4.070 bore
forged 3.31 340 crank reground cut .010- .010
forged 645 340 rods magged, shot peaned, new arp bolts, rebushed, resized.
Wisco forged flat top pistons speed pro file fit rings 10.3.1 comp
balanced assembly
2 bolt main w/arp main studs...