Chevy Small Block Angled Plug Hydraulic Roller Assembled Aluminum Cylinder Head

Upgrade your Gen I Small Block Chevy engine with a fully assembled aluminum cylinder head designed for hydraulic roller camshaft applications. Featuring 198cc intake runners, 64cc combustion chambers, and 2.020" intake / 1.600" exhaust valves, these performance cylinder heads are engineered to support increased airflow, improved throttle response, and greater horsepower potential in street performance, muscle car, hot rod, and street/strip builds.

Designed for modern hydraulic roller cam combinations, these Small Block Chevy aluminum heads provide the airflow capacity needed for performance-oriented 350 Chevy, 383 stroker, and other Gen I SBC engine combinations. The optimized runner and combustion chamber design helps improve cylinder filling and combustion efficiency, supporting stronger torque production throughout the RPM range.

The angle plug configuration can provide improved spark plug accessibility and additional clearance in many header combinations commonly used in high-performance applications. Lightweight aluminum construction helps reduce front-end weight while dissipating heat more efficiently than traditional iron cylinder heads.

Delivered fully assembled with valves, hydraulic roller valve springs, retainers, locks, and seals, these cylinder heads help simplify installation while providing a solid foundation for performance street engines, weekend racers, muscle car restorations, and custom Small Block Chevy builds.

Whether you're building a hydraulic roller 350, a 383 stroker street machine, or a performance-focused Gen I SBC engine, these assembled aluminum cylinder heads deliver the airflow, durability, and performance potential serious enthusiasts demand.

 

Cylinder Head Technology
Designed with 198cc intake runners, 64cc combustion chambers, and 2.020" intake / 1.600" exhaust valves, these assembled aluminum cylinder heads are engineered to improve airflow and combustion efficiency in Gen I Small Block Chevy applications. The angle plug configuration helps improve spark plug access and may provide additional clearance in many performance header combinations. Hydraulic roller valve springs make these heads an excellent choice for modern hydraulic roller camshaft builds.

Performance Benefits
The performance-oriented port design helps support increased airflow, improved throttle response, stronger mid-range torque, and greater horsepower potential compared to many factory cylinder heads. Lightweight aluminum construction also helps dissipate heat more efficiently than cast iron while reducing vehicle weight, making these heads ideal for street performance, muscle car, hot rod, and street/strip applications.

COMPATIBLE WITH
CHEVROLET SMALL BLOCK V8 GEN. I
• 4.3L / 262 in³
• 4.3L / 265 in³
• 4.4L / 267 in³
• 4.6L / 283 in³
• 4.9L / 302 in³
• 5.0L / 305 in³
• 5.0L / 307 in³
• 5.4L / 327 in³
• 5.7L / 350 in³
• 6.6L / 400 in³

COMMON VEHICLE APPLICATIONS
Chevrolet Camaro
Chevrolet Chevelle
Chevrolet Nova
Chevrolet El Camino
Chevrolet Impala
Chevrolet C10
Chevrolet C/K Series Trucks

NOTES
• Fits Gen I Small Block Chevy engines only (1955–1995).
• Angle plug cylinder head design
• Designed for hydraulic roller camshaft applications
• Fully assembled cylinder heads
• Fits perimeter-bolt valve covers and pre-Vortec intake manifolds.
• Verify component compatibility before installation
• Not compatible with LS, LT, or Big Block Chevy engines
• Cylinder head sold individually (purchase quantity of 2 required for complete engine).

SPECIFICATIONS
Assembled: Yes
CNC Ported: No
Combustion Chamber Style: Heart
Combustion Chamber Volume: 64 cc
Deck Height: Standard
Deck Thickness: Standard
Exhaust Crossover: No
Exhaust Port Height: 1.400 in.
Exhaust Port Location: Standard
Exhaust Port Shape: Square
Exhaust Port Width: 1.400 in.
Exhaust Valve Diameter: 1.600 in.
Exhaust Valve Material: Stainless Steel
Finish: Natural
Grade Type: Performance
Guide Plate Material: Chromoly Steel
Intake Port Height: 2.100 in.
Intake Port Location: Standard
Intake Port Shape: Rectangle
Intake Port Width: 1.180 in.
Intake Runner Volume: 198 cc
Intake Valve Diameter: 2.020 in.
Intake Valve Material: Stainless Steel
Material: Aluminum
Quantity: Sold Individually
Spark Plug Style: Angled
Valve Guide Material: Bronze
Valve Seat Material: Steel
Valve Springs Included: No
Valves Included: Yes
Weight: 19 lbs.