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Parts intended for competition use only*

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Proposition 65 Warning*

A Legacy of High Performance

A Black and White Checkered Flag Against a Yellow Background in a Circle

Parts intended for competition use only*

A Yellow Triangle with an Exclamation Point in the Center

Proposition 65 Warning*

A Yellow Horsepower Icon

Up to

420 hp

Horsepower*

Two Yellow Gears Slightly Apart with an Arrow Pointing at a Curve from the Left One to the Other

Up to

408 lb.-ft.

Torque*

A Yellow Speedometer Icon

Up to

5,800

Max Rec RPM

A Yellow Displacement Icon

Up to

350 cu. in. (5.7L)

Displacement

View All Tech Specs

350 Engines

  • 350 HO Turnkey

    Unforgettable, world-class performance built on the original legendary assembly.

    Unforgettable, world-class performance built on the original legendary assembly.

    Tech Specs

    Performance

    Horsepower:

    333 hp @ 5,100 rpm*

    Torque:

    381 lb.-ft. @ 3,700 rpm*

    Max Rec RPM:

    5,100

    Internal Components

    Crankshaft:

    Forged steel

    Connecting Rods:

    Forged powder metal, shot peened

    Pistons: 

    Cast aluminum

    Intake Manifold

    Dual-plane aluminum 

    Camshaft Type:

    Hydraulic flat tappet

    Rocker Arms:

    Stamped steel

    Engine Basics

    Part Number:

    19433031

    Engine Type:

    Chevy Small-Block V-8

    Displacement:

    350 cu. in. (5.7L)

    Block:

    Cast iron with 4-bolt main caps

    Balanced:

    External

    Measurements

    Bore x Stroke:

    4.000 in. x 3.480 in

    Valve Lift (in):

    .435 intake / .460 exhaust

    Camshaft Duration:

    212° intake / 222° exhaust

    Compression Ratio:

    9.6:1 

    Rocker Arms:

    Stamped steel

    Rocker Arm Ratio:

    1.5:1

    Cylinder Head and Valves

    Cylinder Heads:

    Vortec iron; 62cc chambers

    Valve Size (in): 

    1.940 intake / 1.500 exhaust

    Water Pump:

    Cast iron, long-style

    Fuel and Ignition

    Flexplate:

    12.750”

    Ignition Timing:

    32° Total @ 4,000 rpm

    Recommended Fuel:

    Premium pump

    Reluctor Wheel:

    58x

    Show Less

    Tech Specs

    Performance

    Horsepower:

    333 hp @ 5,100 rpm*

    Torque:

    381 lb.-ft @ 3,700 rpm*

    Max Rec RPM:

    5,100

    Engine Basics

    Part Number:

    19433031

    Engine Type:

    Chevy Small-Block V-8

    Displacement:

    350 cu. in. (5.7L)

    Block:

    Cast iron with 4-bolt main caps

    Balanced:

    External 

    Measurements

    Bore x Stroke:

    4.000 in. x 3.480 in

    Valve Lift (in):

    .435 intake / .460 exhaust

    Camshaft Duration:

    212° intake / 222° exhaust

    Compression Ratio:

    9.6:1

    Rocker Arms:

    Stamped steel

    Rocker Arm Ratio:

    1.5:1

    Internal Components

    Crankshaft (P/N 12691722):

    Forged Steel

    Connecting Rods:

    Forged powder metal, shot peened

    Pistons: 

    Cast aluminum

    Intake Manifold:

    Dual-plane aluminum 

    Camshaft Type:

    Hydraulic flat tappet

    Camshaft Type:

    Hydraulic roller

    Rocker Arms:

    Stamped steel

    Cylinder Head and Valves

    Cylinder Heads:

    Vortec iron; 62cc chambers

    Valve Size (in.):

    1.940 intake / 1.500 exhaust

    Water Pump:

    Cast iron, long-style

    Fuel and Ignition

    Flexplate: 

    12.750” 

    Ignition Timing: 

    32° Total @ 4,000 rpm

    Recommended Fuel: 

    Premium pump

    Reluctor Wheel: 

    58x

    #/#
  • SP350/357 Turnkey

    The next 350 evolution — high torque and horsepower from modern valvetrain technology.

    View SP350/357

    The next 350 evolution — high torque and horsepower from modern valvetrain technology.

    View SP350/357

    Tech Specs

    Performance

    Horsepower:

    357 hp @ 5,500 rpm

    Torque:

    407 lb.-ft @ 4,000 rpm

    Max Rec RPM:

    5,600 rpm

    Internal Components

    Crankshaft: 

    Forged steel

    Connecting Rods: 

    Forged powder metal, shot peened 

    Pistons:

    Cast aluminum

    Intake Manifold: 

    Dual-plane aluminum 

    Camshaft Type:

    Hydraulic roller 

    Rocker Arms: 

    Stamped steel

    Engine Basics

    Part Number:

    19433034 

    Engine Type:

    Chevy Small-Block V-8

    Displacement:

    350 cu. in. (5.7L)

    Block (P/N 19431835): 

    Cast iron with 4-bolt main caps

    Balanced:

    External

    Measurements

    Bore x Stroke:

    4.000 in. x 3.480 in

    Valve Lift (in):

    0.473 intake / 0.473 exhaust

    Camshaft Duration (@ .050 in):

    215° intake / 223° exhaust 

    Compression Ratio:

    9.0:1 nominal 

    Rocker Arm Ratio: 

    1.5:1 

    Cylinder Head and Valves

    Cylinder Heads: 

    Cast iron; as cast with 62cc chambers 

    Valve Size (in): 

    1.940 intake / 1.500 exhaust

    Fuel and Ignition

    Flexplate (P/N 14088765): 

    12.750” 

    Ignition Timing: 

    32° total @ 4,000 rpm

    Recommended Fuel:

    Premium pump

    Show Less

    Tech Specs

    Performance

    Horsepower:

    357 hp @ 5,500 rpm

    Torque:

    407 lb.-ft @ 4,000 rpm

    Max Rec RPM:

    5,600 rpm

    Engine Basics

    Part Number:

    19433034 

    Engine Type:

    Chevy Small-Block V-8

    Displacement:

    350 cu. in. (5.7L) 

    Block (P/N 19431835): 

    Cast iron with 4-bolt main caps

    Balanced:

    External 

    Measurements

    Bore x Stroke:

    4.000 in. x 3.480 in. 

    Valve Lift (in):

    0.473 intake / 0.473 exhaust 

    Camshaft Duration (@ .050 in):

    215° intake / 223° exhaust 

    Compression Ratio:

    9.0:1 nominal 

    Rocker Arm Ratio: 

    1.5:1 

    Internal Components

    Crankshaft: 

    Forged Steel

    Connecting Rods: 

    Forged powder metal, shot peened 

    Pistons:

    Cast aluminum

    Intake Manifold: 

    Dual-plane aluminum 

    Camshaft Type:

    Hydraulic roller 

    850-cfm

    Rocker Arms: 

    Stamped steel

    Cylinder Head and Valves

    Cylinder Heads: 

    Cast iron; as cast with 62cc chambers 

    Valve Size (in.):

    1.940 intake / 1.500 exhaust

    Fuel and Ignition

    Flexplate (P/N 14088765): 

    12.750” 

    Ignition Timing: 

    32° total @ 4,000 rpm

    Recommended Fuel: 

    Premium pump 

    #/#
  • SP350/385 Turnkey

    Breathtaking performance — a 350 using every cubic inch of air drawn through it. 

    View SP350/385

    Breathtaking performance — a 350 using every cubic inch of air drawn through it. 

    View SP350/385

    Tech Specs

    Performance

    Horsepower:

    385 hp @ 5,600 rpm

    Torque:

    405 lb.-ft @ 3,600 rpm

    Max Rec RPM:

    5,800 rpm

    Internal Components

    Crankshaft: 

    Forged steel, shot peened 

    Connecting Rods: 

    Forged powder metal, shot peened 

    Pistons: 

    Hypereutectic aluminum 

    Camshaft Type: 

    Hydraulic roller 

    Rocker Arms: 

    Stamped steel 

    Intake Manifold: 

    Dual-plane aluminum 

    Engine Basics

    Part Number:

    19433040 

    Engine Type:

    Chevy Small-Block V-8

    Displacement:

    350 cu. in. (5.7L)

    Block (P/N 19431835): 

    Cast iron with 4-bolt main caps

    Balanced:

    External

    Measurements

    Bore x Stroke:

    4.000 in. x 3.480 in

    Valve Lift (in):

    .474 intake / .510 exhaust 

    Camshaft Duration:

    208° intake / 221° exhaust 

    Compression Ratio:

    9.6:1 nominal 

    Rocker Arm Ratio: 

    1.5:1 

    Cylinder Head and Valves

    Cylinder Heads: 

    Fast Burn aluminum; 62-cc chambers 

    Valve Size (in): 

    2.000 intake / 1.550 exhaust 

    Fuel and Ignition

    Flexplate (P/N 14088765): 

    12.750” 

    Ignition Timing: 

    36° total @ 4,000 rpm

    Recommended Fuel:

    Premium pump

    Show Less

    Tech Specs

    Performance

    Horsepower:

    385 hp @ 5,600 rpm

    Torque:

    405 lb.-ft @ 3,600 rpm 

    Max Rec RPM:

    5,800 rpm 

    Engine Basics

    Part Number:

    19433040 

    Engine Type:

    Chevy Small-Block V-8

    Displacement:

    350 cu. in. (5.7L) 

    Block (P/N 19431835): 

    Cast iron with 4-bolt main caps

    Balanced:

    External 

    Measurements

    Bore x Stroke:

    4.000 in. x 3.480 in. 

    Valve Lift (in):

    0.473 intake / 0.473 exhaust 

    Camshaft Duration:

    208° intake / 221° exhaust 

    Compression Ratio:

    9.6:1 nominal 

    Rocker Arm Ratio: 

    1.5:1 

    Internal Components

    Crankshaft: 

    Forged steel, shot peened 

    Connecting Rods: 

    Forged powder metal, shot peened 

    Pistons: 

    Hypereutectic aluminum 

    Camshaft Type: 

    Hydraulic roller 

    Rocker Arms: 

    Stamped steel 

    Intake Manifold: 

    Dual-plane aluminum 

    Cylinder Head and Valves

    Cylinder Heads: 

    Fast Burn aluminum; 62-cc chambers 

    Valve Size (in.):

    2.000 intake / 1.550 exhaust 

    Fuel and Ignition

    Flexplate (P/N 14088765): 

    12.750” 

    Ignition Timing: 

    36° total @ 4,000 rpm

    Recommended Fuel: 

    Premium pump 

    #/#
  • ZZ6 Turnkey

    Designed to dwarf the competition — the 350 with modern upgrades. 

    View ZZ6 Turnkey

    Designed to dwarf the competition — the 350 with modern upgrades. 

    View ZZ6 Turnkey

    Tech Specs

    Performance

    Horsepower:

    405 hp @ 5,600 rpm

    Torque:

    406 lb.-ft. @ 4,600 rpm

    Max Rec RPM:

    5,800

    Internal Components

    Crankshaft: 

    Forged steel, shot peened 

    Connecting Rods: 

    Forged powder metal, shot peened 

    Pistons: 

    Hypereutectic aluminum 

    Intake Manifold:  

    Single plane aluminum 

    Rocker Arms:

    Aluminum roller style

    Engine Basics

    Part Number:

    19433042 

    Engine Type:

    Chevy Small-Block 

    Displacement:

    350 cu. in. (5.7L)

    Block (P/N 19431835):

    Cast iron with 4-bolt mains 

    Balanced:

    External