The Edelbrock #60999 Performer RPM cylinder head is designed for 1955-86 Small-Block Chevy applications. The Edelbrock #60999 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:Small-Block Gen I:302 (4.9L)/327 (5.4L)/350 (5.7L)/400 (6.6L) |
| Description_DEF |
Engine Cylinder Head |
| Description_EXT |
The Edelbrock #60999 Performer RPM cylinder heads are designed for 1955-86 SB Chevy applications. The Edelbrock #60999 Performer RPM heads are perfect for street performance, daily drivers and muscle cars where more performance is needed. |
| Description_TRA |
EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC FLAT TAPPET CAMSHAFT APPLICATIONS |
| Description_TRA |
Match with Edelbrock head gasket sets. |
| Description_TRA |
To use stock rockers on small-block Chevy heads, .100" longer than stock pushrods are required. Edelbrock pushrods #9629 are recommended. |
| Description_TRA |
Use Head Bolt Kits for easy installation. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. |
| Description_TRA |
S/B Chevy heads may not be used on engines with less than 4" bore (262, 265, 283, 305, 307 c.i.d.) except with cams having less than .450" valve lift. |
| Description_INV |
Edelbrock SBC Cylinder Head |
| Description_LAB |
RPM Small-Block Chevy Angled Spark Plug 64cc, Flat Tappet Springs |
| Description_MKT |
The Edelbrock #60999 Performer RPM cylinder head is designed for 1955-86 Small-Block Chevy applications. The Edelbrock #60999 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. |
| Construction Type |
Complete |
| Camshaft Type |
Flat Tappet |
| Combustion Chamber Volume |
64 |
| Guide Plates Included |
Yes |
| Valve Springs Included |
Yes |
| Retainer Included |
Yes |
| Exhaust Port Location |
Standard |
| Push Rod Diameter |
(Suggested) 0.3125 |
| Horsepower |
350-450 |
| Seat Angle |
Exhaust 45 deg/Intake 45 |
| Head Casting Number |
N/A |
| Valve Spring Diameter |
1.46 |
| 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. |
| Intake Valve Diameter |
2.02 |
| CNC Ported |
No |
| Material |
Aluminum |
| Intake Runner Volume |
195 |
| Seat Material |
Ductile Iron |
| EGR Port |
No |
| Rotor Center Bore Inside Diameter |
angled |
| Family |
Performer RPM |
| Exhaust Runner Volume |
65 |
| Valve Spring Maximum Lift |
0.575 |
| Deck Thickness |
0.5625 |
| Exhaust Valve Diameter |
1.60 |
| Quantity |
Sold Individually |
| Valve Stem Diameter |
0.3438 |
| Valve Angle |
23 |
| Valve Included |
Yes |
| Guide Material |
Manganese Bronze |
| Grade Type |
Performance |
| Rocker Arm Stud Diameter |
0.375 |
| Guide Plate Material |
Hardened Steel |
| Series |
Performer RPM |
| Length |
9.0000 |
| Width |
11.0000 |
| Height |
26.0000 |
| Weight |
30.0000 |
