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ZZ632 Crate Engine 1004hp by Chevrolet Performance 19432060



(Payable by wire transfer only) 

At 1004hp and 876 lb ft, this 10.4L naturally-aspirated beast is the most powerful crate engine available today. 

Check out our blog article on this engine when it was first announced:
BIG POWER: 1004hp 632 BBC Announced by Chevrolet Performance! – Pro Touring Store 


Chevrolet’s Biggest, Baddest Big-Block Ever!
• Tall-deck Sportsman Bowtie block with an all-forged roller assembly
• Hydraulic roller camshaft and all-new, high-flow spread-port cylinder heads derived from Pro Stock racing technology
• Crank-trigger ignition system with coil-near-plug ignition coils mounted on a unique valley plate
• EFI induction system for precise fuel control and stunning output with pump gas
• Kit includes pre-programmed, self-learning control system (Holley Terminator).
• Due to crate fitment, the throttle body is shipped uninstalled and must be installed by the engine installer
• 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
• Requires internally balanced flywheel for manual transmission applications
• Not intended for marine applications

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 (Qty 8 MPFI) 
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 (nominal)
Rocker Arms (P/N 19431272): Forged aluminum; roller-style
Rocker Arm Ratio: 1.8:1 (shaft-mount)
Water Pump (P/N 14058915): 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