Page 36 of GM Performance Parts 2006 Catalog by GM Parts Direct

CRATE ENGINES SMALL-BLOCK An aluminum-headed 350 that makes 355 horse! As far as crate engines go, this one is a winner. The ZZ4 350 Turn-Key crate engine has been one of our most popular high performance crate engines since we started GM Performance Parts. Its legendary status is based on an incredible performance level that is stone cold reliable. Weve packed the ZZ4 350 crate engine with a forged steel crankshaft, hypereutectic pistons, hydraulic roller camshaft and lifters, and aluminum cylinder heads. The ZZ4s Corvette-derived high-performance heads feature high velocity intake runners and D-shaped exhaust ports to promote efficient and unobstructed flow through the engine providing strong power and torque at all RPM levels. The ZZ4 350 is delivered with an aluminum dual-plane intake manifold, HEI distributor, cast iron water pump, damper, and flexplate. Our Turn-Key ZZ4 350 crate engine also ships with all the parts you need to get it running. That includes an accessory drive package, fuel pump, chrome air cleaner kit, Holley 750-cfm carburetor, starter, and spark plug wires. The ZZ4 comes to you with a full 355 horsepower and 405 lb.-ft. of torque. With its high level of performance and durability, it could very well be the perfect crate engine able to meet the needs of car builders from all phases of the motorsports world. WHATS HOT? 355 hp from 350 cubic inches Aluminum Corvette heads Turn-Key option! 34 GM Performance Parts GM Performance Parts does not utilize any used or remanufactured parts in this crate engine, except for the starter. GM Performance Parts crate engines include a twelve-month, 12,000-mile warranty. W ZZ4 350 TECH SPECS: NOTE: Distributor with melonized steel gear MUST be used with long blocks and partial engines with steel camshafts, or engine damage will occur. Part Number: 12499712 Engine type: Chevy small-block V-8 Displacement (cu in): 350 Bore x stroke (in): 4.00 x 3.48 Block (P/N 10105123): Cast iron with 4-bolt main caps Crankshaft (P/N 12556307): Forged steel Connecting rods (P/N 10108688): Powdered metal steel Pistons (P/N 10159436): High-silicon aluminum with offset pins Camshaft type (P/N 10185071): Steel hydraulic roller Camshaft lift (in): .474 intake .510 exhaust Camshaft duration (@.050 in): 208 intake 221 exhaust Cylinder heads (P/N 12556463): Aluminum; 58cc chambers Valve size (in): 1.94 intake 1.50 exhaust Compression ratio: 10:1 Rocker arms (P/N 10089648): Stamped steel Rocker arm ratio: 1.5:1 Recommended fuel: 92 octane Ignition timing: 10 BTDC 800 rpm 32 total 4000 rpm with vacuum advance disconnected Maximum rpm: 5800 12499712 NEW ZZ4 350 Turn-Key

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