ZZ572/620 DELUXE
621 HP @5400 RPM
645 LB-FT TORQUE
Description
ZZ572/620 DELUXE Tech Specs
- Part Number: 19331583
- Engine Type: Chevy Tall Deck Big-Block V-8
- Displacement (cu. in.): 572
- Bore x Stroke (in.): 4.560 x 4.375
- Block (P/N 19212195): Cast-iron with four-bolt main caps
- Crankshaft (P/N 88961554): Forged steel
- Connecting Rods (P/N 88962926): Forged steel, shot peened
- Pistons (P/N 88962925): Forged aluminum
- Camshaft Type (P/N 19210721): Hydraulic roller
- Camshaft Lift (in.): .632 intake / .632 exhaust
- Camshaft Duration (@.050 in.): 254° intake / 264° exhaust
- Cylinder Heads (P/N 12499255): Aluminum rectangular port, 118-cc chambers
- Valve Size (in.): 2.250 intake / 1.880 exhaust; stainless steel
- Compression Ratio: 9.6:1
- Rocker Arms (P/N 12361323): Aluminum roller style
- Rocker Arm Ratio: 1.7:1
- Distributor (P/N 88961867): HEI
- Carburetor (P/N 19170095): 850-cfm
- Water Pump (P/N 19168602): Aluminum, short-style
- Spark Plugs and Wires: Included
- Flexplate (P/N 12561217): 14″
- Recommended Fuel: Premium pump
- Ignition Timing: 36° Total @ 4,000
- Maximum Recommended rpm: 6000
- Balanced: Internal
