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Edelbrock

Edelbrock Single Perf RPM BBC Rect Port Head Comp

MPN: 60559 Catalog #: 001131932 Category: Heads Check Vehicle Fitment

Product Details

The Edelbrock #60559 Performer RPM Rectangle Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60559 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 #60559 Performer RPM Rectangle Port cylinder heads are designed for BB Chevy engines. The Edelbrock #60559 Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed.

Cylinder Head Specifications: Combustion chamber volume: 118cc; Intake runner volume: 315cc; Exhaust runner volume: 110cc; Intake valve diameter: 2.19; Exhaust valve diameter: 1.88; Valve stem diameter: 11/32; Valve guides: Manganese bronze; Deck thickness: 9/16; Valve spring diameter: 1.55; Valve spring maximum lift: .700; Rocker stud: 7/16; Guideplate: Hardened steel; Pushrod diameter: 3/8; Valve angle: 26?; Exhaust port location: Stock; Spark plug fitment: 14mm x 3/4 reach, gasket seat. INSTALLATION NOTE: Bare heads will have valve guides & seats installed, but will require final sizing & a valve job to match the valves you will be using. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4 reach with flat gasket seat. All Performer and Performer RPM Big-Block Chevy heads: Spark plug is closer to center of bore, will interfere with high-dome pistons for open chamber heads. Use pistons designed for our heads. Match with Edelbrock head gasket sets.

Chevrolet:Big-Block Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)/502 (8.2L)

Edelbrock; Olds Head; 6-6 Tempered A356; V8; Cylinder Heads; 60559; Early Model

RPM Big-Block Chevy Rectangular Port Cylinder Head Flat Tappet Cam

Edelbrock Single Perf. RPM BBC Rect Port Head Comp.

Edelbrock Single Perf RPM BBC Rect Port Head Comp

Single Perf. RPM BBC Rect Port Head Comp.

Edelbrock Cylinder Heads

Engine Cylinder Head

CYLINDER HEADS

CYLINDER HEAD

Cylinder Head - Performer RPM - Assembled - 2.190 / 1.880 in Valves - 315 cc Intake - 118 cc Chamber - 1.550 in Springs - Angle Plug - Aluminum - Big Block Chevy - Each

Vehicle Fitment

Universal or product-specific fitment. Please review the product details and contact us if you need help confirming fitment before ordering.

Engine Compatibility

GM - BBCMatched variant: BBC

Big Block Chevy; 396/427/454/572

Fitment note: Engine compatibility is provided as a guide. Please verify all fitment details before ordering.

Product Specs

Brand
Edelbrock
Part Number
60559
Catalog Number
001131932
Product Line
Performer RPM Cyl Head
Category
Engines & Parts
Type
Heads
UPC / Barcode
85347605590
Vendor Product Category
Engine Components
Vendor Product Subcategory
Heads
Length
26.00 in
Width
11.00 in
Height
8.50 in
Weight
43.26 lb
Units Per SKU
1
Freight / LTL
No
Ship Alone
No
Air Restricted
No
Prop 65
Y
CARB Approved
No
Clearance Item
No

Shipping & Availability

Current status 26 Available - Ready to ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

STATE RESTRICTIONS: This item is not CARB approved and can not ship to California.

PROP 65 WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Inventory shown: 26 available as of 6/3/2026.

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