572 Roots Blown Carbureted – Black | Hot Rod Series | 1,000–1,150 HP

The 572 Roots Blown Carbureted – Black Hot Rod Series engine delivers everything true blower enthusiasts crave: instant torque, violent throttle response, and an unmistakable supercharged sound that can be heard from blocks away. This is a no-compromise roots-blown big block built for street dominance, classic hot rod attitude, and jaw-dropping visual impact.

Producing 1,000 horsepower on 91-octane pump gas and up to 1,150 horsepower on E85, this combination pairs a low-compression forged rotating assembly with a custom hydraulic roller camshaft, allowing the engine to be street-driven reliably while still delivering explosive performance. If you’re a blower guy, nothing compares—this engine proves it.

Performance Overview

This 572 cubic inch roots-blown big block delivers torque instantly off idle, making the car feel brutally responsive at any speed. The hydraulic roller valvetrain keeps maintenance low, while the carefully developed tune allows smooth cruising, clean drivability, and relentless power when the throttle is opened. The unmistakable look of a 12-71 roots blower paired with twin carburetors defines classic hot rod muscle at its finest.

Engine Block & Forged Rotating Assembly

Block

• Dart Big Block Chevy

• 4.500″ bore

• Splayed main caps

• 2-piece rear main seal

Rotating Assembly

• Callies Magnum 4.5″ stroke 4340 forged crankshaft

• Boostline 4340 forged connecting rods, 6.700″ length

• Custom JE forged pistons, 9:1 compression, 2618 alloy

• Ductile iron piston rings

Built for boost, this forged bottom end provides the strength and durability required for sustained street and performance use under supercharged conditions.

Valvetrain & Timing System

• Custom NRE hydraulic roller camshaft

• Hydraulic short-travel lifters

• Comp Cams rocker arms

• Manton pushrods

• Cloyes timing chain

• Cast aluminum Milodon timing cover

This setup delivers aggressive blower-friendly cam timing while maintaining excellent street manners and long-term reliability.

Cylinder Heads, Induction & Supercharger System

Cylinder Heads

• Brodix 3Xtra 380 fully CNC-ported aluminum heads

• 2.300″ intake / 1.880″ exhaust Inconel valves

• PAC performance valve springs

Induction & Supercharger

• The Blower Shop Competition intake manifold

• Billet The Blower Shop 12-71 roots supercharger

• Twin 950 CFM Holley HP carburetors

This classic carbureted blower setup delivers unmatched sound, instant boost, and a timeless hot rod aesthetic that no modern setup can replicate.

Oil System, Ignition & Supporting Hardware

• Moroso 8-quart oil pan

• High-volume oil pump and pickup

• ATI harmonic damper

• MSD crank trigger ignition

• MSD ignition control box

• Cometic MLX head gaskets

• ARP fasteners throughout

• NRE billet fully CNC-machined valve covers

Every component is selected to handle high cylinder pressures, sustained boost, and aggressive street use.

Specifications

• Engine Type: Roots-blown Big Block Chevy

• Displacement: 572 cubic inches

• Horsepower:

  • 1,000 hp on 91-octane pump gas

  • 1,150 hp on E85

• Compression Ratio: 9:1

• Fuel System: Carbureted

• Carburetors: Twin 950 Holley HP

• Supercharger: Billet 12-71 Roots blower

• Camshaft: Hydraulic roller

• Ignition: MSD crank trigger system

• Application: Hot rod, muscle car, street/strip

• Series: Hot Rod Series

• Build Type: Turnkey roots-blown engine