The Edelbrock #61555 Performer RPM Marine-Duty cylinder head is designed for use with Rectangular Port Big-Block Chevy Marine applications. The Edelbrock #61555 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.
Specifications:
| Description_ABR |
Cyl. Head |
| Description_ASM |
Chevrolet:Big-Block Mark IV:396 (6.6L)/402 (6.6L)/427 (7.0L)/454 (7.4L)/502 (8.2L) |
| Description_DEF |
Engine Cylinder Head |
| Description_EXT |
Edelbrock part #61555 Performer RPM Marine-Duty cylinder heads are designed for use with Rectangular Port Big-Block Chevy Marine applications. |
| Description_INV |
Edelbrock BBC Cylinder Head |
| Description_LAB |
RPM Marine Big-Block Chevy Cylinder Head Hydraulic Roller Cam |
| Description_MKT |
The Edelbrock #61555 Performer RPM Marine-Duty cylinder head is designed for use with Rectangular Port Big-Block Chevy Marine applications. The Edelbrock #61555 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. |
| Description_TRA |
EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC ROLLER CAMSHAFT APPLICATIONS |
| Description_TRA |
Heavy-duty, 1.89" Inconel exhaust valves provide added durability for marine applications |
| Description_TRA |
Hard anodized black to protect the aluminum cylinder heads in the harsh marine environment |
| Description_TRA |
Sold with valves only to allow for valve spring choices |
| Description_TRA |
Match with an Edelbrock Performer RPM manifold, Performer Series 750 cfm marine carb and Performer RPM cam for proven performance |
| Description_TRA |
Smaller-than-stock 11/32" valve stems promote excellent flow and lighter valve weight |
| Valve Included |
Yes |
| Rocker Arm Stud Diameter |
0.4375 |
| Family |
Performer RPM |
| Valve Spring Maximum Lift |
0.650 |
| Deck Thickness |
0.5625 |
| Valve Stem Diameter |
0.3438 |
| Grade Type |
Performance |
| Valve Spring Diameter |
1.50 |
| Series |
Performer RPM |
| Guide Plate Material |
Hardened Steel |
| Exhaust Runner Volume |
110 |
| Valve Angle |
26 |
| Material |
Aluminum |
| Intake Runner Volume |
315 |
| Exhaust Valve Diameter |
1.89 |
| Valve Springs Included |
Yes |
| Horsepower |
500-600 |
| Combustion Chamber Volume |
118 |
| Guide Material |
Manganese Bronze |
| Seat Material |
Ductile Iron |
| Head Casting Number |
N/A |
| 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. |
| Quantity |
Sold Individually |
| Retainer Included |
Yes |
| Camshaft Type |
Hydraulic Roller |
| Exhaust Port Location |
Standard |
| Seat Angle |
Exhaust 45 deg/Intake 45 |
| Construction Type |
Complete |
| EGR Port |
No |
| Flange Type |
Rectangle Intake |
| CNC Ported |
No |
| Intake Valve Diameter |
2.25 |
| Guide Plates Included |
Yes |
| Push Rod Diameter |
(Suggested) 0.375 |
| Length |
9.0000 |
| Width |
11.0000 |
| Height |
26.0000 |
| Weight |
44.0000 |
