Chevrolet Performance 19355669 - ZZ6 350 405HP 406 LB. FT Torque EFI Crate Engine

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The Ultimate 'ZZ' 350-Based Crate Engine from Chevrolet Performance!
Chevrolet Performance's ZZ6 engine 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 Bow Tie 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.

TECH SPECS

• Engine Type: Chevrolet small block V8
• Displacement: 350 cubic inch
• Bore x Stroke: 4.00" x 3.48"
• Block (P/N 10105123): Cast-iron with 4-bolt mains
• Crankshaft (P/N 12 556307): Forged steel
• 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 Holle y
• 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
• Distrib utor (P/N 93440806): HEI
• Ignition timing: 36º Total @ 4,000 rpm
• Maximum Recommended RPM: 5,800 rpm
• Balance: External

INSTALLATION NOTES

• Comes with 12.750" externally balanced 153-tooth automat ic transmission flexplate. Change to externally balanced flywheel for manual transmission applications.
• 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 application

All of Chevrolet Performance Parts' crate engines come with a 24-month/50,000 mile limited warranty.