Chevy Small Block Straight Plug Hydraulic Roller Assembled Aluminum Cylinder Head

• 198cc intake runners improve Small Block Chevy airflow

• Hydraulic roller springs support modern cam profiles

• Straight plug design fits many traditional SBC setups

• Fully assembled aluminum construction saves installation time

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 deliver improved airflow, throttle response, and horsepower potential for street performance, muscle car, hot rod, and street/strip builds.

Designed for modern hydraulic roller cam combinations, these Small Block Chevy aluminum heads help support increased airflow and improved combustion efficiency compared to many factory cylinder heads. The optimized runner and chamber design contributes to stronger torque production, improved throttle response, and enhanced overall engine performance throughout the RPM range.

The straight plug configuration maintains compatibility with many traditional Small Block Chevy header and spark plug arrangements, making these cylinder heads an excellent choice for a wide range of performance SBC builds. Lightweight aluminum construction helps reduce vehicle weight while dissipating heat more efficiently than traditional cast iron cylinder heads.

Delivered fully assembled with valves, hydraulic roller valve springs, retainers, locks, and seals, these cylinder heads simplify installation while providing the performance foundation needed for 350 Chevy, 383 stroker, and other Gen I Small Block Chevy engine combinations.

Whether you're building a hydraulic roller street engine, restoring a classic muscle car, upgrading a hot rod, or assembling a performance-focused SBC combination, these assembled aluminum cylinder heads deliver the airflow, durability, and performance 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 straight plug configuration maintains compatibility with many traditional Small Block Chevy header and spark plug arrangements while hydraulic roller valve springs support modern performance camshaft combinations.

Performance Benefits
The performance-oriented port design helps support improved cylinder filling, increased airflow, stronger mid-range torque, and greater horsepower potential. Lightweight aluminum construction helps dissipate heat more efficiently than cast iron while reducing vehicle weight, making these cylinder heads a popular upgrade for street performance vehicles, muscle cars, hot rods, and street/strip applications.

Will these cylinder heads fit a Chevy 350?
Yes, these heads are designed for Gen I Small Block Chevy 350 applications.

Can these heads be used on a 383 stroker?
Yes, they are compatible with Gen I Small Block Chevy 383 stroker combinations.

Are these cylinder heads fully assembled?
Yes, they include valves, hydraulic roller valve springs, retainers, locks, and valve seals.

Are these designed for hydraulic roller camshafts?
Yes, these heads are configured for hydraulic roller camshaft applications.

What size intake runners do these heads have?
They feature 198cc intake runners.

What size combustion chambers do these heads use?
These cylinder heads feature 64cc combustion chambers.

What valve sizes are included?
They include 2.020" intake valves and 1.600" exhaust valves.

What is the benefit of a straight plug design?
Straight plug heads maintain compatibility with many traditional Small Block Chevy header and spark plug configurations.

Can aluminum cylinder heads improve performance?
Aluminum heads can improve airflow, reduce weight, and dissipate heat more efficiently than comparable iron castings.

Are these suitable for street performance builds?
Yes, they are designed for street performance, muscle cars, hot rods, street/strip vehicles, and performance rebuilds.

Can these heads be used with flat tappet camshafts?
These heads are configured for hydraulic roller applications. Valve spring compatibility should always be verified before use with other camshaft types.

Are these compatible with LS engines?
No, these cylinder heads are designed specifically for Gen I Small Block Chevy engines.