Chevrolet Performance 350 C.I. ZZ6 Turn-Key Crate Engine 420HP w/ EFI

This turn-key ZZ6 crate engine (19433044) has a built-in port fuel injection that is electronically controlled. The aluminum intake manifold offers a traditional carbureted look, but with a throttle body in place of the carb. This allows you to attach an air cleaner on the engine. Get a fast burn design with large runners and beehive-style valve springs for high-RPM performance!

Features and Benefits:
- Engine Type: Chevy Small-Block V8
- Displacement (cu in): 350
- Bore x Stroke (in): 4.000 x 3.480
- Block: Cast-iron with 4-bolt main caps
- Crankshaft: Forged steel - shot peened
- Connecting Rods: Forged powdered metal
- Pistons: Hypereutectic aluminum
- Camshaft Type: Steel hydraulic roller
- Camshaft Lift (in): .474 intake / .510 exhaust
- Camshaft Duration (@.050 in): 208 degrees intake / 221 degrees exhaust
- Cylinder Heads: Fast Burn aluminum; 62cc chambers
- Valve Size (in): 2.000 intake / 1.550 exhaust
- Compression Ratio: 9.72:1
- Rocker Arms: Aluminum roller style
- Rocker Arm Ratio: 1.5:1
- Recommended Fuel: Premium pump
- Ignition Timing: 36 degrees Total at 4,000 rpm
- Maximum Recommended rpm: 5800
- Balanced: External
- Flexplate: 12.750

Additional Notes:
- Crate engine kit includes pre-programmed, self-learning control system
- Come with a 12.750" externally balanced, 153-tooth automatic transmission flexplate. An externally balanced flywheel is required for manual transmission applications.
- NOT intended for marine applications.

*Only for use on pre-pollution controlled vehicles: Designed for pre-1976 street vehicles or any off-road vehicle.