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The Edelbrock part #61209 Small Block Chevy E-CNC 225 cylinder head offers the ultimate performance. This cylinder head is fully CNC ported for maximum horsepower and torque, making them ideal for high-performance’s street and racing applications. They also feature high-quality lightweight valve springs and heavy duty hardware for maximum lift. E-CNC S/B CHEVY FEATURES: – Features fully CNC machined intake ports, combustion chambers and exhaust ports for improved performance – Maintains the stock 23deg valve angle and intake flange bolt pattern for use with 1986 and earlier intake manifolds – Delivers up to 30-60 horsepower over Performer RPM cylinder head – #61205 & #61209 features 7/16″ studs and angled spark plugs – Ideal for high Performance’s street and racing applications
The Edelbrock part #61209 SB Chevy E-CNC 225 cylinder heads offer the ultimate performance. These cylinder heads are fully CNC ported for maximum horsepower and torque, making them ideal for high-performance’s street and racing applications
Chevrolet:Small-Block Gen I:302 (4.9L)/327 (5.4L)/350 (5.7L)/400 (6.6L)

• Made In The U.S.A. For The Best Quality In The Market

The Edelbrock part #79895 Small Block Chevy E-CNC cylinder head offers the ultimate performance. This cylinder head is fully CNC ported for maximum horsepower and torque, making them ideal for high-performance’s street and racing applications. They also feature high-quality lightweight valve springs and heavy duty hardware for maximum lift. E-CNC S/B CHEVY FEATURES: – Features fully CNC machined intake ports, combustion chambers and exhaust ports for improved performance – Maintains the stock 23deg valve angle and intake flange bolt pattern for use with 1986 and earlier intake manifolds – Delivers up to 30-60 horsepower over the Performer RPM Cylinder Head – #61205 & #61209 features 7/16″ studs and angled spark plugs – Ideal for high Performance’s street and racing applications
Edelbrock part #79895 Small Block Chevy E-CNC cylinder heads offer the ultimate performance. these cylinder heads are fully CNC ported for maximum horsepower and torque, making them ideal for high-performance’s street and racing application
Chevrolet:Small-Block Gen I:262 (4.3L)-400 (6.6L)

• Made In U.S.A.

The Edelbrock #60947 Performer RPM Bare NHRA Stock/Super Stock cylinder head is designed for 1955-86 Small-Block Chevy applications. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. Cast and heat treated at the Edelbrock Foundry and machined at Edelbrock’s manufacturing facility in the USA, the Edelbrock head is the best in quality and performance. All Edelbrock cylinder head is designed from scratch using the latest in computer technology by our own highly skilled engineer’s. Using highly efficient ports and state-of-the-art combustion chamber shapes, Edelbrock cylinder head offers improved performance throughout the rpm range for great throttle response and top-end horsepower. Top-quality features include threaded inserts in rocker stud and exhaust bolt holes for superior strength and durability, and manganese-bronze valve guides with ductile iron valve seats. These are features that some other companies don’t include!
The Edelbrock #60947 Performer RPM Bare NHRA Stock/Super Stock cylinder heads are designed for 1955-86 Small-Block Chevy applications. These cylinder heads deliver great throttle response and power from 1500 to 6500 rpm.
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 #60887 Performer RPM Bare NHRA Stock/Super Stock cylinder head is designed for 1955-86 Small-Block Chevy applications. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. Cast and heat treated at the Edelbrock Foundry and machined at Edelbrock’s manufacturing facility in the USA, the Edelbrock head is the best in quality and performance. All Edelbrock cylinder head is designed from scratch using the latest in computer technology by our own highly skilled engineer’s. Using highly efficient ports and state-of-the-art combustion chamber shapes, Edelbrock cylinder head offers improved performance throughout the rpm range for great throttle response and top-end horsepower. Top-quality features include threaded inserts in rocker stud and exhaust bolt holes for superior strength and durability, and manganese-bronze valve guides with ductile iron valve seats. These are features that some other companies don’t include!
The Edelbrock #60887 Performer RPM Bare NHRA Stock/Super Stock cylinder heads are designed for 1955-86 Small-Block Chevy applications. These cylinder heads deliver great throttle response and power from 1500 to 6500 rpm.
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 #60895 Performer RPM cylinder head is designed for 1955-86 Small-Block Chevy applications. The Edelbrock #60895 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs. For use on pre-pollution controlled vehicles only.
The Edelbrock #60895 Performer RPM cylinder heads are designed for 1955-86 SB Chevy engines. The Edelbrock #60895 Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
Chevrolet:Small-Block Gen I:302 (4.9L)/327 (5.4L)/350 (5.7L)/400 (6.6L)

• Retain Stock Compression Ratio

The Edelbrock #60735 Performer RPM cylinder head is designed for 1955-86 Small-Block Chevy applications. The Edelbrock #60735 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs. For use on pre-pollution controlled vehicles only.
The Edelbrock #60735 Performer RPM cylinder heads are designed for 1955-86 SB Chevy applications. The #60735 Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
Chevrolet:Small-Block Gen I:302 (4.9L)/327 (5.4L)/350 (5.7L)/400 (6.6L)

• Thicker Deck Surfaces Than Other Brands

Our new Edelbrock #61179 Victor Jr. cylinder head is designed for high output 650+ hp Chrysler 426-572 HEMI engines. They feature fully CNC’d combustion chambers and CNC blended seats for optimal air flow performance. This cylinder head also feature a revised exhaust valve angle to accommodate larger intake valves. They also feature brass tubes installed in exhaust pushrod holes to allow maximum clearance with minimal port intrusion.
Our new Edelbrock #61179 Victor Jr. Cylinder Heads are designed for high output 650+ hp Chrysler 426-572 HEMI engines. Fully CNC’d combustion chambers and CNC blended seats for optimal air flow performance.
Chrysler:Big-Block Gen II HEMI:426 (7.0L)

• Revised Exhaust Valve Angle

Our new Edelbrock #61175 Victor Jr. cylinder head is designed for high output 650+ hp Chrysler 426-572 HEMI engines. They feature fully CNC’d combustion chambers and CNC blended seats for optimal air flow performance. This cylinder head also feature a revised exhaust valve angle to accommodate larger intake valves. They also feature brass tubes installed in exhaust pushrod holes to allow maximum clearance with minimal port intrusion.
Our new Edelbrock #61175 Victor Jr. Cylinder Heads are designed for high output 650+ hp Chrysler 426-572 HEMI engines. Fully CNC’d combustion chambers and CNC blended seats for optimal air flow performance.
Chrysler:Big-Block Gen II HEMI:426 (7.0L)

• Revised Exhaust Valve Angle

The Edelbrock #1126 Ford Flatheads feature a block logo design for Fords and Mercurys, and are cast at the Edelbrock Foundry in the USA of T-6 tempered A356 aluminum. The Edelbrock #1126 heads are rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics. The 65cc heads support 8.0:1 compression ratio on blocks with a 3/16″ base relief (stock bore and stroke), compression ratio increase is approximately 3/10 of a percent with each 1/8″ stroke.
The Edelbrock #1126 Ford Flatheads feature a block logo design for Fords and Mercurys, the Edelbrock #1126 heads are rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics.
Ford:Flathead:221 (3.6L)/239 (3.9L);Mercury:Flathead:221 (3.6L)/239 (3.9L)

• Increased Flow Capacity

The Edelbrock #1115 Ford Flatheads feature the original Edelbrock script logo design for Fords and Mercurys, and are casted at the Edelbrock Foundry in the USA of T-6 tempered A356 aluminum. The Edelbrock #1115 heads are rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics. The 65cc heads support 8.0:1 compression ratio on blocks with a 3/16″ base relief (stock bore and stroke), compression ratio increase is approximately 3/10 of a percent with each 1/8″ stroke.
The Edelbrock #1115 Ford Flatheads feature the original Edelbrock script logo design for Fords and Mercurys, the heads are rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics.
Ford:Flathead:239 (3.6L)/255 (4.2L);Mercury:Flathead:239 (3.6L)/255 (4.2L)

• Increased Flow Capacity

The Edelbrock #5023 E-Street cylinder heads are designed for Ford 289-351 W V8 applications. The Edelbrock E-Street cylinder heads offer American made quality and affordable performance. E-Street cylinder heads feature as-cast ports and are designed for entry-level street performance applications operating in the idle-to-5500 rpm range. The modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through your engine for improve efficiency. For use on pre-pollution controlled vehicles only.
The Edelbrock #5023 E-Street cylinder heads are designed for Ford 289-351W applications. American made quality and affordable performance. E-Street heads feature as-cast ports and are designed for street performance applications.
Ford:Small-Block Windsor:289 (4.7L)/302 (5.0L)/351 (5.8L)

• Made In U.S.A.

The Edelbrock #1116 Ford Flatheads feature the original Edelbrock script logo design for Fords and Mercurys, and are casted at the Edelbrock Foundry in the USA of T-6 tempered A356 aluminum. The Edelbrock #1116 heads are rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics. The Edelbrock #1116 Ford Flatheads High Lift/Large Chamber version feature a new “raised roof” combustion chamber design that is CNC machined for high lift cams and is perfect for reducing compression in supercharger applications or on low octane fuel. High Lift heads have increased valve clearance and increased flow capacity.
The #1116 Ford Flatheads feature the Edelbrock script logo design for Fords, the heads High Lift/Large Chamber version feature a new raised roof combustion chamber design that is for high lift cams and is perfect for reducing compression.
Ford:Flathead:239 (3.6L)/255 (4.2L);Mercury:Flathead:239 (3.6L)/255 (4.2L)

• Increased Flow Capacity