383 Stroker Crate Engine

The
383 Stroker Crate Engine
is a high-torque Chevrolet Small-Block V8 designed for street cars, muscle cars, trucks, hot rods and performance builds. With approximately
6.3L / 383 cubic inches
of displacement, the stroker design provides increased torque and performance compared with a traditional 350-based engine.
Available 383 configurations can produce different power levels depending on the build, cylinder heads, camshaft, compression and induction system.
Upgrade your classic or performance vehicle with a
383 Stroker Crate Engine
, a popular Chevrolet Small-Block V8 configuration built for strong torque and responsive performance.
A typical Chevrolet 383 uses approximately a
4.005-inch bore and 3.800-inch stroke
, resulting in 383 cubic inches (about 6.3L). Chevrolet Performance offers several 383 versions, including the
HT383, HT383E, SP383 and SP383 EFI
, with factory-rated outputs ranging from
323 HP to 450 HP
depending on configuration.
Key Specifications
Engine:
Chevrolet Small-Block V8
Displacement:
383 cu. in. / approximately 6.3L
Typical Bore:
4.005″
Typical Stroke:
3.800″
Block:
Cast iron on Chevrolet Performance versions
Crankshaft:
Forged steel on many performance versions
Valvetrain:
Hydraulic roller on many configurations
Aspiration:
Naturally aspirated
Fuel:
Gasoline
Horsepower:
Configuration dependent
Torque:
Configuration dependent
For example, Chevrolet’s current SP383 Turn-Key is rated at
435 HP and 445 lb-ft
, while the SP383 EFI Turn-Key is rated at
450 HP and 436 lb-ft
.
Common Applications
Depending on the exact 383 configuration, this engine can be suitable for:
Chevrolet Camaro
Chevrolet Chevelle
Chevrolet Nova
Chevrolet Impala
Chevrolet El Camino
Chevrolet C10 / C20 trucks
Chevrolet K10 / K20 trucks
Chevrolet Corvette
Classic Chevy muscle cars
Hot rods
Street rods
Custom performance vehicles