ZZ6 EFI Turn-Key Crate Engine


  • 420 hp @ 5800 rpm and
  • 408 lb-ft torque @ 4500 rpm
  • Fast Burn design
  • Electronically controlled port fuel-injection

Have your engine dyno tested by one of our professional engine builders to ensure everything is properly broken in. We can dyno your engine with your components to make sure everything is working harmoniously before shipping you the whole assembly drained and ready to install.

Shipping is free, but there is a delivery fee for residential addresses.

SKU: 19433044 Categories: , Tag:

ZZ6 EFI Turn-Key Crate Engine

P/N 19433044

420 hp @ 5,800 rpm / 408 lb-ft @ 4,500 rpm


  • Bore x Stroke (in.): 4.00 x 3.48
  • Compression Ratio: 9.72:1
  • Crankshaft: Forged steel
  • Pistons: Hypereutectic aluminum
  • Cylinder Heads: Aluminum Fast Burn-style
  • Valve Size (in.): 2.00 titanium (intake) and 1.55 (exhaust)
  • Camshaft: Hydraulic roller
  • Camshaft Lift (in.): .474 (intake) and .510 (exhaust)
  • Induction System: Electronically controlled port fuel-injection

Note: Includes the distributor and damper installed, starter, air conditioning pump, alternator, single-belt front-end accessory drive kit, and more.

Weight 550 lbs


19419000, 19432108

ZZ6 EFI Turn-Key Crate Engine

19433044 Chevrolet Engine

Classic Style, Modern Driveability!

The ZZ6 EFI crate engine combines the drivability advantages of electronically controlled fuel injection with the versatility of the 350 Small-Block, pumping out 420 hp @ 5800 rpm and 408 lb-ft torque @ 4500 rpm. A traditional air filter option blends together horsepower and appearance without the need for third-party tuning, and its proven Fast Burn design and 2.00/1.55-inch valve springs support great performance and durability, resulting in a high rev while making the most out of every cubic inch.

Chevrolet Performance engineers adapted a unique, electronically controlled port fuel-injection system to the ZZ6 350, using an aluminum intake manifold that has the appearance of a carbureted intake. A fuel-injection throttle body mounted in place of the carburetor allows a traditional air filter to be installed on the engine. The Turn-Key kit includes the distributor and damper installed, starter, air conditioning pump, alternator, single-belt Front-End Accessory Drive Kit, and more.



Chevrolet Performance Crate Engines include a 24-month or 50,000-mile (80,000 kilometer) limited warranty.

Click here for more detailed warranty information.


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Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

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