Edelbrock 60555 RPM Big-Block Chevy Rectangular Port Cylinder Head

Name: Edelbrock 60555 RPM Big-Block Chevy Rectangular Port Cylinder Head
Brand: Edelbrock
SKU: EDE-60555
Price: 1394.95 USD
Availability: InStock
Rating: 4.6 (5 reviews)

(Chevrolet Corvette 1970-74, Impala 1970-76, Malibu 1973-75, C1500 1990-93, Chevelle 1970-73, Blazer 1973-74, C10 Pickup 1973-74 + 99 more models)

Manufacturer

Part Number

60555

5 reviews

Sale Price

$1,394.95

In Stock (10+)

Usually delivered within 2 days

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Show details for Edelbrock 60555 RPM Big-Block Chevy Rectangular Port Cylinder Head

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Product Details

The Edelbrock 60555 Performer RPM Rectangular Port cylinder head is engineered specifically for Big-Block Chevy applications requiring serious street performance. Designed for hydraulic roller cam configurations, this cylinder head delivers exceptional throttle response and power across a broad RPM range from 2,500 to 7,000 rpm, making it ideal for street rods, muscle cars, daily drivers, and performance builds where seat-of-the-pants acceleration matters.

Key Features:

Rectangular port design optimized for Big-Block Chevrolet engines
Hydraulic roller cam compatible for reliable street performance
Broad powerband from 2,500 to 7,000 rpm for excellent drivability
Premium quality intake and exhaust valves for maximum flow
High-performance valve springs designed for RPM capability
CNC-machined combustion chambers for consistency
Perfect for street performance, hot rods, and muscle car restorations

The Performer RPM series represents Edelbrock's commitment to delivering race-proven technology in a street-friendly package. These cylinder heads provide the airflow and performance characteristics needed for serious power gains while maintaining reliability for everyday driving. Intended for use on pre-emissions controlled vehicles only.

Products specifications

Fits

Chevrolet Corvette 1970-74, Impala 1970-76, Malibu 1973-75, C1500 1990-93, Chevelle 1970-73, Blazer 1973-74, C10 Pickup 1973-74, Caprice 1970-76, C10 1975-80, El Camino 1970-75, Monte Carlo 1970-75, K2500 1991-95, Nova 1970-71 + 93 more models

Guide Plates Included

Yes

RGL

WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.

Horsepower

525-650

Intake Runner Volume

315

Series

Performer RPM

Valve Spring Maximum Lift

0.700

Valve Springs Included

Yes

Push Rod Diameter

(Suggested) 0.4375

Exhaust Valve Diameter

1.88

Guide Material

Manganese Bronze

CNC Ported

Seat Angle

Exhaust 45 deg/Intake 45

Family

Performer RPM

Exhaust Runner Volume

110

Valve Included

Yes

Camshaft Type

Hydraulic Roller

Quantity

Sold individually

Retainer Included

Yes

Combustion Chamber Volume

118

Valve Spring Diameter

1.55

Valve Stem Diameter

0.3438

Deck Thickness

0.5625

Valve Angle

Construction Type

Complete

Grade Type

Performance

Intake Valve Diameter

2.19

Exhaust Port Location

Standard

Rocker Stud Diameter

0.4375

EGR Port

Material

Aluminum

Seat Material

Ductile Iron

Guide Plate Material

Hardened Steel

Rocker Arm Stud Diameter