SBC 400 Full Roller With NKB 274 Heads 

1972 SBC 3951511 .040 over block 4 bolt main with new 400 steel crank std / std, H-beam 4340 5.7 rods, flat top piston, roller cam, roller rockers, comp cam pushrods, aluminum NKB-274 SH SWP heads 200cc runners / 64 cc chambers, king bearings, HV milling oil pump, air gap intake, Holley 750 HP, MSD 6 AL, billet MSD dist., double rolling timing chain, SFI flexplate, Speed Pro 8" harmonic balancer, Hooker comp headers, 38* WOT timing, 91 octane est. HP 480 / 480 ft lbs Torque. ARP head,rods and main bolts. I will be posting my L79 327 (331 ci ) 11:03.1 CR build / start up soon. If you like it, please hit the like and subscribe button, Thanks!