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The Edelbrock #60825 Performer RPM cylinder head is designed for 1961-79 Chrysler 361-440 c.i.d. Wedge engine applications. The Edelbrock #60825 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 #60825 Performer RPM cylinder heads are designed for 1961-79 Chrysler 361-440 c.i.d. Wedge engines. The #60825 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where.
Chrysler:Big-Block B-Series:383 (6.3L)/400 (6.6L);Chrysler:Big-Block RB-Series:413 (6.8L)/426 (7.0L)/440 (7.2L)

• Thicker Deck Surfaces Than Other Brands

The Edelbrock #60665 Performer RPM cylinder head is designed for 1968-87 429/460 Big-Block Ford applications. The Edelbrock #60665 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 #60665 Performer RPM cylinder heads are designed for 1968-87 429/460 BB Ford engines. The Edelbrock #60665 Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
Ford:Big-Block:429 (7.0L )/460 (7.5L)

• Over 500+ At 6500 RPM

The Edelbrock #60675 Performer RPM cylinder head is designed for 1968-87 429/460 Big-Block Ford applications. The Edelbrock #60675 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 #60675 Performer RPM cylinder heads are designed for 1968-87 429/460 BB Ford engines. The Edelbrock #60675 Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
Ford:Big-Block:429 (7.0L )/460 (7.5L)

• Match with Edelbrock Multi-Point EFI to Maximize

The Edelbrock #60075 Performer RPM cylinder head is designed for use with 1961-76 390-427-428 Ford applications. Edelbrock 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 #60075 Performer RPM Cylinder Heads are designed for use with 1961-76 390-427-428 Ford applications. Performer RPM heads are perfect for street performance, daily drivers, and muscle cars where more performance is needed.
Ford:FE:332 (5.4L)/352 (5.8L)/360 (5.9L)/390 (6.4L)/406 (6.6L)/410 (6.7L)/427 (7.0L)/428 (7.0L)

• Valves Promote Excellent Flow For Streetable Power

Edelbrock Part #613669 is a Pro Port head that requires professional porting prior to use since the ports and chambers are deliberately undersize to permit a wide variety of end applications. The head has an 11″ intake valve angle and is intended for high output, large cubic inch, 4.84″ bore spacing (stock) big block Chevrolet racing engines. The 613669 employs a symmetrical port head architecture similar to the Pro Stock DRCE3. The head is treated with the HIP strengthening process, prior to machining, to insure the finest casting possible. This version has an extended flange which will likely require a new exhaust system or changes to a standard flange header. FEATURES: – Port Entry Int. / Exh 2.52″ x 2.15″ / 1.84″ x 1.50″ – Exhaust runner volume: 80cc – Intake valve diameter: 2.600″ – Exhaust valve diameter: 1.94″ – Deck thickness: 5/8″ – Valve spring diameter: 1.30″ – Valve spring maximum lift: .680″ – Valve angle: 11deg – Exhaust port location: 0.125″ Raised Port – Spark plug fitment: 14mm x 3/4 reach, gasket seat – Heli-coiled exhaust bolt holes – Tipped entry oval intake port opening – Unique cooling flow for better durability and consistency – Intake manifold and valley cover plates available for regular and tall deck blocks – Hot Isostatic Pressed (HIP process) for improved strength – Effective internal oil drainage plus available external oil drains – Versatile cooling system options for a variety of applications – Seats installed with underside guide bores at .375″.502″ Guides are included but will not be installed.
Edelbrock #613669 is a Pro Port Big-Victor 3 Cylinder Head for Big-Block Chevrolet Engines. Features Conventional bore spacing (4.84″), 11 Deg Intake Valve, & Extended Exhaust Flanges. HIP Treated Casting
Chevrolet:Big-Block Race

• Big Victor Raw Cylinder Head

The Edelbrock 614669 Big Block Chevy Big Victor III 11deg Pro-Port Cylinder head is designed specifically for the professional cylinder head porter and engine builder. Like the other Edelbrock Cylinder head, The Pro-Port cylinder head is also cast in the USA at the state-of-the-art Edelbrock Foundry with extra-thick walls to allow for custom CNC porting. In most cases, seats and manganese-bronze valve guides are included, but not installed. Please note: This head can not be used without professional head preparation. Pro-Port RAW Features Include: – Unported versions of Edelbrock race-winning Victor Series CNC head for the professional cylinder head porter and engine builder – The Pro-Port cylinder head is cast in the USA at the state-of-the-art Edelbrock Foundry with extra-thick walls to allow for custom CNC porting – The only head designed specifically to accommodate almost any CNC port shape, size or location – Offers enough wall thickness for CNC machining to various port dimensions – In most cases seats and manganese-bronze valve guides are included – Some of the Edelbrock Pro-Port Raw Head Feature Our Special Hot Isostatic Pressing or HIP Process.
Edelbrock #614669 Pro Port Cylinder Head Features 11 Deg Intake Valve Angle & is Intended for High Output/Large Cubic Inch Big-Block Chevrolet Racing Engines. HIP treated. Requires Special Valve Train and Sheet Metal Valve Covers.
Chevrolet:Big-Block Race

• Accommodate Almost Any Port Shape

The Edelbrock #60439 Performer RPM High-Compression O-Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60439 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 #60439 Performer RPM High-Compression O-Port cylinder heads are designed for BB Chevy engines. The #60439 Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
Chevrolet:Big-Block Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)/502 (8.2L)

• Designed For Street/High Performance Big Blocks

The Edelbrock #60435 Performer RPM High-Compression O-Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60435 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 #60435 Performer RPM High-Compression O-Port cylinder heads are designed for BB Chevy engines. The #60435 Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed
Chevrolet:Big-Block Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)/502 (8.2L)

• Match with Edelbrock Multi-Point EFI to Maximize

The Edelbrock #60455 Performer RPM O-Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60455 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 #60455 Performer RPM O-Port cylinder heads are designed for BB Chevy engines. The Edelbrock #60455 Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.
Chevrolet:Big-Block Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)/502 (8.2L)

• High-Velocity Short Intake Ports

The Edelbrock #60555 Performer RPM Rectangle Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60555 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 2500 to 7000 rpm. They also feature the highest quality intake and exhaust valves and valve springs. For use on pre-pollution controlled vehicles only.
The Edelbrock #60555 Performer RPM Rectangle Port cylinder heads are designed for Big-Block Chevy applications. The #60555 Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where.
Chevrolet:Big-Block Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)/502 (8.2L)

• Smaller-Than-Stock 11/32 in. Valve Stems Promote Excellent Flow

The Edelbrock 614 Big Block Chevy 24 Deg Pro-Port Cylinder head is designed specifically for the professional cylinder head porter and engine builder. Like all other Edelbrock Cylinder heads, Pro-Port cylinder heads are also cast in the USA at the state-of-the-art Edelbrock Foundry with extra-thick walls to allow for custom CNC porting. In most cases, seats and manganese-bronze valve guides are included, but not installed. Please note: These heads can not be used without professional head preparation. Pro-Port RAW Features Include: – Unported versions of Edelbrock race-winning Victor Series CNC heads for the professional cylinder head porter and engine builder – Pro-Port cylinder heads are cast in the USA at the state-of-the-art Edelbrock Foundry with extra-thick walls to allow for custom CNC porting – The only heads designed specifically to accommodate almost any CNC port shape, size or location – Offers enough wall thickness for CNC machining to various port dimensions – In most cases seats and manganese-bronze valve guides are included – Some Edelbrock Pro-Port Raw Heads Feature Our Special Hot Isostatic Pressing or HIP Process.
Edelbrock #615468 is a Finished E-CNC Version of the #615469 Pro-Port Edelbrock Victor 24 Deg BBC Cylinder Head. Features 0.400″ Raised Intake Port & 17 Deg Intake Valve Angle. Raw/Bare Castings, HIP Treated.

• Polished Then Hard Anodized For Use w/Racing Fuel

The Edelbrock 615469 Big Block Chevy DR-17 Pro-Port Cylinder head is designed specifically for the professional cylinder head porter and engine builder. Like the other Edelbrock Cylinder head, The Pro-Port cylinder head is also cast in the USA at the state-of-the-art Edelbrock Foundry with extra-thick walls to allow for custom CNC porting. In most cases, seats and manganese-bronze valve guides are included, but not installed. Please note: This head can not be used without professional head preparation. Pro-Port RAW Features Include: – Unported versions of Edelbrock race-winning Victor Series CNC head for the professional cylinder head porter and engine builder – The Pro-Port cylinder head is cast in the USA at the state-of-the-art Edelbrock Foundry with extra-thick walls to allow for custom CNC porting – The only head designed specifically to accommodate almost any CNC port shape, size or location – Offers enough wall thickness for CNC machining to various port dimensions – In most cases seats and manganese-bronze valve guides are included – Some of the Edelbrock Pro-Port Raw Head Feature Our Special Hot Isostatic Pressing or HIP Process.
Edelbrock #615469 Pro Port is the 3rd Generation of the Edelbrock Victor 24 Deg BBC Cylinder Head. Features 0.400″ Raised Intake Port & 17 Deg Intake Valve Angle. Raw/Bare Castings, HIP Treated.
Chevrolet:Big-Block Race

• Increased Flow