ZZ572/620 Deluxe Connect & Cruise Powertrain System
• 621 HP @ 5400 RPM
• 645 ft/lbs TQ @ 4200 RPM
• SuperMatic 4L85-E Four Speed Transmission (Remanufactured)
• 3000-3400 RPM Stall Torque Converter
  
  
  ZZ572/620 Deluxe 572ci TECH SPECS:
• Engine Type: Tall-Deck Big-Block V-8
• Displacement: 572ci
• Bore x Stroke: 4.560' x 4.375'
• Block: Cast-iron with four-bolt main caps
• Crankshaft: Forged steel
• Connecting Rods: Forged steel
• Pistons: Forged aluminum
• Camshaft Type: Hydraulic roller
• Camshaft Lift: .632' intake / .632' exhaust
• Camshaft Duration (@.050 in.): 254° intake / 264° exhaust
• Cylinder Heads: Aluminum rectangle port w/ 118cc combustion chambers
• Valve Size: 2.25' intake / 1.88' exhaust; Stainless steel
• Compression Ratio: 9.6:1
• Rocker Arms: Aluminum roller rockers
• Rocker Arm Ratio: 1.7:1
• Distributor: HEI type
• Carburetor: 850-cfm
• Water Pump: Aluminum, short-style
• Recommended Fuel: Premium pump
• Maximum Recommended rpm: 6000
• Balanced: Internal
• Intake Manifold: Single plane
• Spark Plugs and Plug Wires: Included
• Flexplate: 14"
INSTALLATION NOTES:
• Due to crate fitment, the carburetor is shipped in a separate box and needs to be installed
• Clutch linkage bosses are drilled and tapped. When using cast-iron exhaust manifolds, lower head bolts may need to be replaced with bolts with shorter heads for clearance
• Gen VI tall-deck block includes a machined mechanical fuel pump boss
• Comes with an externally balanced 14' automatic transmission flexplate
• Designed for pre-1976 street vehicles or any off-road vehicle (With a bullet-proof drivetrain!)
• Not intended for marine applications

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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