SMALL-BLOCK CRATE ENGINES

The Chevrolet Small-Block fundamentally changed the world of engine performance more than six decades ago, and this icon of American horsepower is pulling stronger than ever in Chevrolet Performance’s diverse range of crate engines. The Chevrolet Performance Small-Block crate engine is one of our best seller – and it’s easy to understand why. The Small-Block is a cornerstone of the industry and nobody knows how to build them better than Chevrolet Performance. See how they compare in horsepower, torque, and other technical specifications.

350/290 DELUXE

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SP350/357 BASE

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SP350/385 BASE

MORE INFO

ZZ6 BASE

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Part Number

19355658

19367080

19333158

19351532

Engine Type

Chevy Small-Block V-8

Chevy Small-Block V-8

Chevy Small-Block V-8

Chevy Small-Block

Horsepower

308 hp @ 5100 rpm

357 hp @ 5500 rpm

385 hp @ 5600 rpm

405 hp @ 5600 rpm

Torque

347 lb-ft @ 3900 rpm

407 lb-ft @ 4000 rpm

405 lb-ft @ 3600 rpm

406 ft-lb @ 4600 rpm

Displacement (cu. in.)

350

350

350

350

Block

Cast iron with 4-bolt main caps

Cast iron with 4-bolt main caps

Cast iron with 4-bolt main caps

Cast iron with 4-bolt mains

Crankshaft

Nodular iron

Nodular Iron

Forged steel, shot peened

Forged steel, shot peened

Camshaft

Hydraulic flat tappet

Hydraulic roller

Hydraulic roller

Steel hydraulic roller

Valve Lift (intake)

.450 in

0.473 in

.474 in

2.000 in.

Valve Lift (exhaust)

.460 in

0.473 in

.510 in

1.550 in.

Camshaft Duration (@.050)

222° intake/222° exhaust

215° intake/223° exhaust

208° intake/221° exhaust

208° intake/221° exhaust

Cylinder Heads

Iron; 76-cc chambers

Cast iron; as cast with 64-cc chambers

Fast Burn aluminum; 62-cc chambers

Fast Burn aluminum; 62-cc chambers

Compression Ratio

8.0:1

9.0:1 nominal

9.6:1 nominal

9.7:1 nominal

350/290 DELUXE

MORE INFO

SP350/357 BASE

MORE INFO

Part Number

19355658

19367080

Engine Type

Chevy Small-Block V-8

Chevy Small-Block V-8

Horsepower

308 hp @ 5100 rpm

357 hp @ 5500 rpm

Torque

347 lb-ft @ 3900 rpm

407 lb-ft @ 4000 rpm

Displacement (cu. in.)

350

350

Block

Cast iron with 4-bolt main caps

Cast iron with 4-bolt main caps

Crankshaft

Nodular iron

Nodular Iron

Camshaft

Hydraulic flat tappet

Hydraulic roller

Valve Lift (intake)

.450 in

0.473 in

Valve Lift (exhaust)

.460 in

0.473 in

Camshaft Duration (@.050)

222° intake/222° exhaust

215° intake/223° exhaust

Cylinder Heads

Iron; 76-cc chambers

Cast iron; as cast with 64-cc chambers

Compression Ratio

8.0:1

9.0:1 nominal

SP350/385 BASE

MORE INFO

ZZ6 BASE

MORE INFO

Part Number

19333158

19351532

Engine Type

Chevy Small-Block V-8 

Chevy Small-Block 

Horsepower

385 hp @ 5600 rpm

405 hp @ 5600 rpm 

Torque

405 lb-ft @ 3600 rpm

406 ft-lb @ 4600 rpm

Displacement (cu. in.)

350

350

Block

Cast iron with 4-bolt main caps 

Cast iron with 4-bolt mains

Crankshaft

Forged steel, shot peened

Forged steel, shot peened

Camshaft

Hydraulic roller 

Steel hydraulic roller

Valve Lift (intake)

.474 in

2.000 in.

Valve Lift (exhaust)

.510 in 

1.550 in.

Camshaft Duration (@.050)

208° intake/221° exhaust

208° intake/221° exhaust 

Cylinder Heads

Fast Burn aluminum; 62-cc chambers

Fast Burn aluminum; 62-cc chambers

Compression Ratio

9.6:1 nominal 

9.7:1 nominal 


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Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance parts that are emissions-related may not meet U.S., Canadian, and state and provincial laws and regulations relating to motor-vehicle emissions. These parts are designed and intended for use in vehicles operated exclusively for competition: in racing or organized competition on courses separate from public streets or highways. Visit www.chevroletperformance.com/emissions for more details.

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