Description: This 350 cubic inch engine combines the ZZ4 short block with Fast Burn cylinder heads to deliver 385 horses at 5600 rpm and 385 ft.-lbs. of torque at 4000 rpm. The bottom-end features a four-bolt iron block a forged steel crankshaft powdered metal connecting rods proven to 500 HP and 9.6:1 compression ratio hypereutectic pistons. For the top-end GM installed(more)

Description: This 350 cubic inch engine combines the ZZ4 short block with Fast Burn cylinder heads to deliver 385 horses at 5600 rpm and 385 ft.-lbs. of torque at 4000 rpm. The bottom-end features a four-bolt iron block a forged steel crankshaft powdered metal connecting rods proven to 500 HP and 9.6:1 compression ratio hypereutectic pistons. For the top-end GM installed a hydraulic roller cam (.474 in. intake/.510 in. exhaust lift and .208 degrees intake/.221 degrees exhaust duration at .050 in.) GM Fast Burn cylinder heads with 2.00 in. intake/1.55 in. exhaust valves steel 1.5 rocker arms a cast iron water pump a GM aluminum dual plane Vortec intake manifold an HEI performance distributor an 8 in. balancer and a 12 3/4 in. automatic transmission flexplate.(minimize)