Engine - GM (19435445)

THE ULTIMATE 'ZZ' 350-BASED CRATE ENGINE FROM CHEVROLET PERFORMANCE!
Chevrolet Performance's all-new ZZ6 is one of the most powerful 350-based crate engines in the more than 25-year history of the 'ZZ' crate engine lineup. It uses aluminum Fast Burn cylinder heads equipped with LS-style beehive valve springs for greater high-rpm performance. It's rated at 405 horsepower and 406 lb.-ft. of torque - more than any Small-Block engine ever offered in a production Chevrolet muscle car or Corvette!
The ZZ6 is built with a cast-iron block with four-bolt mains, along with a forged steel crankshaft, an aggressive hydraulic roller camshaft and durable, high-silicon pistons. All-new, motorsports-inspired valve covers distinguish this new crate engine at a glance, too - along with Chevy "Bowtie" insignias in the ends of the cylinder heads that let everyone know you've got the latest Chevrolet Performance hardware under the hood.
This Turn-Key engine package includes the distributor, and balancer installed. The carburetor, starter, fuel pump, air conditioning pump, alternator, single belt Front-End Accessory Drive Kit and more are also included. Chevrolet Performance offers the ZZ6 350 base engine (P/N 19351532) at a lower price, allowing you to finish the engine yourself.
TECH SPECS
Part Number: 19351533
Engine Type: Chevy Small-Block
Displacement (cu in): 350
Bore x Stroke (in.): 4.000 x 3.48
Block (P/N 10243870): Cast-iron with 4-bolt mains
Crankshaft (P/N 12670965): Forged steel (shot peened)
Connecting Rods (P/N 10108688): Forged powder metal
Pistons (P/N 10159436): Hypereutectic aluminum
Intake Manifold (P/N 12496822): Single-plane aluminum
Carburetor (P/N 19170093): 770 cfm Holley
Camshaft (P/N 10185071): Steel hydraulic roller
Valve Lift (in): .474 intake/.510 exhaust
Camshaft Duration (@.050 in): 208° intake / 221° exhaust
Cylinder Heads (P/N 19300955): Fast Burn aluminum; 62cc chambers
Valve Size (inches): 2.000 intake / 1.550 exhaust
Compression Ratio: 9.72:1 nominal
Rocker Arms (P/N 19210724): Aluminum roller style
Rocker Arm Ratio: 1.5:1
Recommended Fuel: Premium pump
Distributor (P/N 93440806): HEI
Ignition timing: 36? Total @ 4,000 rpm
Maximum Recommended RPM: 5,800 rpm
Flexplate (P/N 14088765): 12.750"
Balanced: External
INSTALLATION NOTES

• Comes with 12.750" externally balanced 153-tooth automatic transmission flexplate. Requires externally balanced flywheel for manual transmission.
• Requires fuel line from fuel pump to carburetor
• Designed for pre-1976 street vehicles or any off-road vehicle
• Some assembly and minor engine tuning required
• Not intended for marine applications