Edelbrock Part #60975 E-Tec Cylinder Head for Small-Block Chevy Engines

The Edelbrock #60975 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 cylinder 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 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. E-Tec 170 head is 50-state street legal. The Edelbrock #60975 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)

• Thicker Deck Surfaces Than Other Brands

The Edelbrock #60975 E-Tec cylinder head is designed as a direct replacement for 302, 327, 350, and 400 cubic inch Small-Block Chevrolet engines equipped with Vortec-style manifolds. Featuring an LT1-style raised runner intake port design, these heads significantly increase airflow for improved performance and power output. The innovative combustion chamber design positions the spark plug closer to the center of the cylinder, promoting more efficient combustion and enhancing engine power. Constructed with a thicker deck surface compared to other brands, these cylinder heads offer durability and reliability for high-performance applications. The Edelbrock E-Tec 170 heads are dual-drilled, allowing compatibility with 1987-95 center bolt or 1986 and earlier perimeter flange valve covers, as well as most stock exhaust manifolds, providing versatile installation options. They are street legal in all 50 states, making them suitable for street-driven vehicles seeking high performance. These heads deliver up to 20% more exhaust flow than cast iron Vortec heads, supporting performance up to 6000 rpm and allowing for a compression ratio of 9.5:1 when used with stock pistons in 350 cubic-inch engines. The adjustable rocker stud and guide plate setup enable proper stud height adjustment for factory-style self-aligning rocker arms, ensuring optimal valve train geometry. Whether upgrading for increased horsepower or improving airflow, the Edelbrock #60975 E-Tec heads are a reliable choice for enthusiast and professional builders alike, offering enhanced airflow, durability, and compatibility with a variety of engine configurations.

Features:

• Designed as a direct replacement for 302, 327, 350, and 400 c.i.d. Small-Block Chevy engines with Vortec-style manifolds

• LT1-style raised runner intake port design for increased airflow and performance

• Innovative combustion chamber positions spark plug closer to cylinder center for more efficient combustion

• Thicker deck surface for added durability

• Includes adjustable rocker stud and guide plate setup for correct valve train geometry

• Supports up to 20% more exhaust flow compared to cast iron Vortec heads

• Suitable for street use with 50-state legality

• Dual-drilled for compatibility with center bolt or perimeter flange valve covers

• Supports up to 9.5:1 compression ratio with stock pistons in 350 c.i.d. engines

• Compatible with most stock exhaust manifolds for versatile installation