Chevrolet Performance ZZ632/1000 Crate Engine


  • 1,004 hp @ 6,600 rpm/876 lb.-ft. @ 5,600 rpm
  • 12.0:1 Compression Ratio
  • Recommended 93 Octane and Higher
  • Estimated Ship is 1st Quarter of 2022

Available on backorder

Due to world events we are working with our manufacturers every day to ship and receive parts. If the part you are looking for is time sensitive please give our team a call at 855-806-1147 before ordering to ensure it's availability.

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.

SKU: 19432060 Categories: , Tag:

ZZ632/1000 Crate Engine

P/N 19432060

1,004 hp @ 6,600 rpm/876 lb.-ft. @ 5,600 rpm



  • Part Number: 19432060
  • Engine Type: Chevy Tall-Deck Big-Block V-8
  • Displacement (cu. in.): 632 cu. in.
  • Bore x Stroke (in.): 4.600 x 4.750 in.
  • Block: Cast Iron Bowtie with 4-bolt main caps-tall deck
  • Crankshaft: Forged 4340 steel
  • Connecting Rods: Forged steel H-beam
  • Pistons: Forged aluminum 2618 alloy
  • Intake Manifold: Aluminum high-rise single-plane
  • Throttle Body: 4500-style
  • Fuel Injectors: 86-lb/hr
  • Camshaft Type: Billet Steel Hydraulic Roller
  • Valve Lift (in.): 0.780 intake/0.782 exhaust
  • Camshaft Duration (@0.050 in.): 270º intake/287º exhaust
  • Cylinder Heads: Aluminum spread-port; 70cc chambers -RS-X design
  • Valve Size (in.): 2.450 intake/1.800 exhaust,Titanium (5/16-in stem OD)
  • Ignition Type: 58X crank-triggered, coil-near-plug
  • Compression Ratio: 12.0:1 (nominal)
  • Rocker Arms: Forged aluminum; roller-style
  • Rocker Arm Ratio: 1.8:1 (shaft-mount)
  • Water Pump: Aluminum
  • Oil Pan: Steel 8-quart
  • Recommended Fuel: Premium pump (93 octane or higher)
  • Maximum Recommended RPM: 7,000
  • Balanced: Internal



Weight 680 lbs

ZZ572/720R Deluxe Crate Engine


At Chevrolet Performance, we have mastered the art of reinvention. Our Big-Block crate engines have evolved to become more innovative, more powerful, and bigger than they’ve ever been. The new Chevrolet Performance ZZ632/1000 DELUXE Big-Block Crate Engine is no exception. It’s our most powerful crate engine ever, with the modern convenience of EFI technology, providing more than 1,000 horsepower on 93-octane pump gas.


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