Edelbrock #60989 E-Tec Cylinder Head for Small Block Chevy Engines with Vortec-Style Manifolds

The Edelbrock #60989 E-Tec cylinder head is replacements for 302, 327, 350 & 400 c.i.d. S/B Chevy engines with "Vortec-style" manifolds. They feature an LT1-style raised runner intake port design for increased air-flow and ultimate performance. A unique combustion chamber design positions the spark plug closer to the center of the cylinder, promoting a more efficient combustion resulting in more power. This head includes an adjustable rocker stud and guide plate set-up for use with adjustable rockers or washers to properly position the stud height to accommodate factory style self-aligning rocker arms. They have 20% more exhaust flow than a cast iron Vortec head, great performance up to 6000 rpm and can produce 9.5:1 compression with stock pistons in 350 cubic-inch engines. RPM E-Tec cylinder head is dual-drilled and will accept 1987-95 center bolt and/or 1986 & prior perimeter flange mount valve covers and most stock exhaust manifolds. The Edelbrock #60989 E-Tec Cylinder Heads are replacements for 302, 327, 350 & 400 SB Chevy engines with Vortec-style manifolds. They feature an LT1-style raised runner intake port design for increased air-flow and ultimate performance. Chevrolet:Small-Block Gen I:302 (4.9L)/327 (5.4L)/350 (5.7L)/400 (6.6L)

• Hand-Assembled w/Highest Quality Components

Upgrade your small block Chevy engine with the Edelbrock #60989 E-Tec Cylinder Head, designed for 302, 327, 350, and 400 cubic inch applications. These heads feature an LT1-style raised runner intake port design that enhances air-flow, resulting in improved horsepower and overall engine performance. The advanced combustion chamber design positions the spark plug closer to the center of the cylinder, promoting more efficient combustion and generating increased power output. Constructed with hand-assembled, high-quality components, these heads are built for durability and reliable performance. They include an adjustable rocker stud and guide plate setup, allowing compatibility with adjustable rockers or washers to ensure proper stud height adjustment for factory-style self-aligning rocker arms. The Edelbrock E-Tec heads deliver 20% more exhaust flow compared to cast iron Vortec heads, supporting high-performance operation up to 6000 RPM. They can produce a compression ratio of approximately 9.5:1 with stock pistons in 350 cubic-inch engines, making them ideal for a range of performance applications. These heads are dual-drilled to accept both 1987-95 center bolt and 1986 & prior perimeter flange mount valve covers, as well as most stock exhaust manifolds, providing versatile compatibility. Whether you're restoring a classic muscle car or building a performance engine from scratch, these cylinder heads offer a significant upgrade over stock components, ensuring increased airflow, power, and efficiency for your small block Chevy engine.

Features:

• Raised runner intake port design for increased air-flow and performance

• Optimized combustion chamber positioning for efficient combustion and power

• Includes adjustable rocker stud and guide plate setup for compatibility with adjustable rockers

• 20% more exhaust flow than cast iron Vortec heads for enhanced performance

• Supports up to 6000 RPM with reliable power output

• Compatible with multiple valve cover types and stock exhaust manifolds

• Engineered for 302, 327, 350, and 400 cubic inch Small Block Chevy engines