Big Block Crate Engine - ZZ632/1000 Deluxe

Chevrolet Performance’s ZZ632 takes the legendary Big-Block to all-new thresholds of displacement performance. It’s the largest Big-Block we’ve ever built—and with an incredible 1,004 horsepower and 876 lb.-ft. of torque on 93-octane pump gas, it’s also the most powerful!

The ZZ632 starts with one of Chervolet Performance's tall-deck Sportsman Bowtie blocks as its foundation, adds an all-forged roller assembly, a hydraulic roller camshaft and all-new, high-flow spread-port cylinder heads derived from Pro Stock racing technology. An EFI induction system provides the precise fuel control to enable the crate engine’s stunning output with pump gas.

Our Deluxe package comes complete from the oil pan to the throttle body, as well as a crank-trigger ignition system with coil-near-plug ignition coils mounted on a unique valley plate, plug wires, water pump, balancer and an aluminum single
plane intake manifold. The assembly also includes Chevy Orange valve covers with the “632” logo.

INSTALLATION NOTES

• Crate engine kit includes pre-programmed, self-learning control system
• Engine arrives with throttle body and harness installed.
• Requires starter, EFI-compatible high-pressure fuel pump and air cleaner compatible with 4500-series (Dominator) mounting flange
• Cylinder head exhaust port design requires custom exhaust system
• Shown with open element breathers, catch can system recommended
• Requires internally balanced flywheel for manual transmission applications
• Not intended for marine applications

TECH SPECS

• Part Number: 19432060
• Engine Type: Chevy Tall-Deck Big-Block V-8
• Displacement (cu in): 632
• Bore x Stroke (in / mm): 4.600 x 4.750
• Block (P/N 19366599): Cast iron Bowtie with 4-bolt main caps – tall deck
• Crankshaft (P/N 19366600): Forged 4340 steel
• Connecting Rods (P/N 19432392): Forged steel H-beam
• Pistons (P/N 19366601): Forged aluminum 2618 alloy
• Intake Manifold (P/N 19366614): Aluminum high-rise single-plane
• Throttle Body (P/N 19366624): 4500-style
• Fuel Injectors (P/N 19432057): 86-lb/hr
• Camshaft Type (P/N 19432531): Billet steel hydraulic roller
• Valve Lift (in): 0.780 intake / 0.782 exhaust
• Camshaft Duration (@ 0.050 in) 270º intake / 285º exhaust
• Cylinder Heads (P/N 19431810): 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
• Rocker Arms (P/N 19421272): Forged aluminum; roller-style
• Rocker Arm Ratio: 1.8:1 (shaft-mount)
• Water Pump (P/N 19168602): Aluminum
• Oil Pan (P/N 19366604): Steel 8-quart
• Recommended Fuel: Premium pump (93 octane or higher)
• Maximum Recommended RPM: 7,000 rpm
• Balanced: Internal