EVIL ENERGY Cast Aluminum Cylinder Head for SBC Engines (Angled Plug) – 200cc Runners, Fits 1960-1986 Chevy V8 (302/327/350), Optimized Airflow

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 Vehicle Compatibility

• Fits 1960-1986 Small Block Chevy (SBC) V8 engines, including 302, 327, 350, 383, and 400 cubic inch models
• Angled-plug design: For SBC ignition systems with angled plug layouts; not compatible with straight-plug ignition setups (no block modifications needed for matching systems)

Brand	EVIL ENERGY
Spark Plug Type	SBC Angled Plug
Fuel Type	Gasoline Engine Cylinder Head
Valve Configuration	Overhead Valve (OHV)
Material	Cast Aluminum
Weight	22.5lb（10.21kg）
Vehicle Compatibility	302, 327, 350, 383 and 400 small block chevy SBC engines up to 1986
Combustion Chamber Volume	64 cc
Intake Runner Volume	200 cc
Exhaust Runner Volume	74cc
Intake Valve Diameter	2.020"
Exhaust Valve Diameter	1.600"
Valve Stem Diameter	0.343"
Intake Valve Angle	23°
Exhaust Valve Angle	23°
Combustion Chamber Style	Heart-Style
Cooling System	Water-Cooled

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High-Performance Cast Aluminum Cylinder Head for SBC Engines (Angled Plug) – Fits 1960-1986 Chevy V8

Engineered for 302/327/350/383/400 small-block Chevy (SBC) engines up to 1986, this EVIL ENERGY SBC head features an angled-plug design that boosts street performance, works seamlessly with stroker kits, and suits mild racing applications.

1. High-Performance Advantages

• Street Performance Tuned: Optimized for 1500–6500 RPM, these SBC cylinder heads pair perfectly with high-flow intake manifolds, mid/high-lift camshafts, or performance headers to deliver noticeable horsepower for daily-driven SBC 305/327/350/383/400 engine heads.
• Stroker Kit Compatible: With 200cc intake runners and 64cc combustion chambers, these EVIL ENERGY SBC heads maintain ideal compression ratios for 383/400 CID stroker kits, providing unrestricted airflow for large-stroke pistons—a budget-friendly high-performance option.
• Mild Racing Ready: Delivers stable power from 5500–6500 RPM with mechanical or hydraulic roller cams (flat tappet/roller). Further performance gains can be achieved via CNC porting, intake polishing, or valve upgrades for drag and bracket racing.
• OHV & Gasoline - Engine Cylinder Head Advantage: Engineered with OHV (Overhead Valve) design, the EVIL ENERGY cylinder head ensures efficient torque at low-to-mid RPM, ideal for hot rods, street cars, and tow vehicles. Optimized combustion chambers allow high air intake capacity, supporting turbocharged or supercharged systems for mid-to-high RPM track performance, enhancing power delivery and fuel efficiency.

2. Design & Material Benefits

• Lightweight Cast Aluminum: Significantly lighter than OEM iron heads, this Aluminum Cylinder Head reduces front-axle load, improves vehicle weight distribution, and enhances acceleration and handling for all SBC engine heads.
• Superior Heat Dissipation: Aluminum construction lowers engine operating temperature, minimizing knock risk—a critical advantage for performance tuning in SBC cylinder heads and EVIL ENERGY SBC heads applications.
• Optimized Airflow: Equipped with 2.020-inch intake valves, 1.600-inch exhaust valves, and a 23° intake/exhaust valve angle, these EVIL ENERGY cylinder heads maximize airflow. 74cc exhaust runners complement intake efficiency, delivering improved power and responsiveness for street, stroker, and mild racing builds.

3. Key Notes

• Bare-cast version: Does not include valves, springs, seals, or assembled components (separate hardware required for installation)
• Entry-level performance: Ideal for street/stroker/mild racing use; not suited for high-rpm (6500+ RPM) or extreme high-flow racing builds
  
• This item is sold as a single cylinder head, not a pair.