Chevrolet Performance 632 Big Block
Chevrolet Performance 632 Big Block
Chevrolet Performance 632 Big Block
Chevrolet Performance 632 Big Block
Chevrolet Performance 632 Big Block

Chevrolet Performance 632 Big Block

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
• 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

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 (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