ZZ632/1000 DELUXE TECH SPECS

• 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