main block, 9:1 hypereutectic pistons, cast iron crankshaft and GM iron Vortec ... /350 Factory Stock version features a high-rise dual-plane intake manifold, 8-quart ... more air providing excellent mid- and high-range power, where you need it on the track. ... complete from the oil pan to the intake manifold including an HEI distributor the 350/ ... job! WHATS HOT? Vortec cylinder heads High-rise, dual-plane intake Dual-pattern cam ... ): 4.00 x 3.48 Block (P/N 10105123): Cast iron with 4-bolt main caps Crankshaft ( ... P/N 14088526): Nodular iron Connecting rods (P/N 10108633): ... Cylinder heads (P/N 12558060): Vortec iron; 64cc chambers Valve size (in): 1.94 ...
and aluminum cylinder heads. The high-performance ZZ4 heads feature D-shaped exhaust ... ports and high-velocity intake runners to promote fast and ... through the engine, providing great high-rpm performance on the racetrack. An 8- ... The assembly also includes a dual-plane high-rise intake manifold, HEI distributor and ... cast iron water pump. Add your carburetor, ... Based on the ZZ4 405 lb.-ft. of torque High-performance heads 88958603 Circle Track 350/355 ... in) 4.00 x 3.48 Block (P/N 10105123): Cast iron with 4-bolt main caps Crankshaft ( ...