Cast Aluminum Cylinder Head for LS1 Engines (Angled Plug) – Fits 1997-2003 Chevrolet LS1

Fitment: Fits 1997-2003 Chevrolet LS1 V8 engines (exclusively for LS1 models; not compatible with other LS-series variants) Angled-plug design: Aligns with LS1 factory ignition system layouts; no block modifications needed for direct replacement of OEM cast-iron heads Description: High-Performance Cast Aluminum Cylinder Head for LS1 Engines (Angled Plug) – Fits 1997-2003 Chevy LS1 Engineered exclusively for 1997-2003 Chevy LS1 engines, this angled-plug cast aluminum cylinder head boosts intake efficiency, compression, and power for LS1-powered builds. Its 210cc cathedral ports, 66.5cc combustion chambers, and lightweight aluminum design optimize mid-range acceleration—ideal for high-performance street cars, tow vehicles, and casual racing use under 6,000 RPM. Product Details - This item is not solad as a pair, this is a single cylinder head. High-Performance Advantages Street Performance Focus : Tuned for mild LS1 modifications—pair with high-flow intake manifolds to enhance mid-range acceleration, delivering responsive power for daily-driven or street-performance LS1 vehicles Low-to-Mid RPM Optimization : Ideal for applications under 6,000 RPM, including tow vehicles and casual racing builds; avoids the stress of sustained high-rpm operation to maintain reliability OEM Compatibility : Matches GM OEM LS1 geometric angles, preserving compatibility with factory pistons for seamless direct replacement and hassle-free installation OHV Gasoline - Engine Cylinder Head Advantage : Engineered with an OHV (Overhead Valve) design, it ensures efficient torque output at low - to - mid rpm, ideal for daily street driving in hot rods, street cars, and tow vehicles. Tailored for gasoline engines, its optimized combustion chamber enables high air intake capacity, supporting turbocharged or supercharged systems for mid - to - high rpm track performance, enhancing power delivery and fuel efficiency. Design Material Benefits Lightweight Cast Aluminum : Significantly lighter than OEM iron heads—reduces front-axle load, improves vehicle weight distribution, and enhances both handling and acceleration Superior Heat Dissipation : Aluminum construction lowers engine operating temperature, minimizing knock risk (critical for maintaining performance in LS1's naturally aspirated or mild forced-induction setups) Optimized Cathedral Port Design : 210cc intake runners boost mid-to-high RPM airflow, while the cathedral port shape optimizes intake velocity—supports both naturally aspirated and mild forced-induction configurations Key Notes Bare-cast version: Does not include valves, springs, seals, or assembled components (separate hardware required for installation) Fitment Restriction: Exclusively for 1997-2003 LS1 engines ; not compatible with other LS-series (e.g., LS2, LS3) or non-LS Chevy engines