The Edelbrock #60049 Performer RPM Super Stock cylinder head is designed for 400, 430 and 455 c.i.d. Buick engines. This cylinder head includes adjustable rocker stud and guide plate set-up for use with small-block Chevy style adjustable 1.6:1 ratio rockers. The large 68cc combustion chambers produce 9.2:1 compression ratio with stock pistons. 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 |
Buick:Big-Block:400 (6.6L)/430 (7.0L)/455 (7.5L) |
| Description_DEF |
Engine Cylinder Head |
| Description_EXT |
The Edelbrock #60049 Performer RPM Cylinder Heads are designed for 400, 430 and 455 c.i.d. Buick engines. These heads are perfect for street performance, daily drivers, street rods and muscle cars where more performance is needed. |
| Description_INV |
Edelbrock Buick Cylinder Head |
| Description_MKT |
The Edelbrock #60049 Performer RPM Super Stock cylinder head is designed for 400, 430 and 455 c.i.d. Buick engines. This cylinder head includes adjustable rocker stud and guide plate set-up for use with small-block Chevy style adjustable 1.6:1 ratio rockers. The large 68cc combustion chambers produce 9.2:1 compression ratio with stock pistons. 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_LAB |
RPM Big-Block Buick Cylinder Head |
| Description_TRA |
Match with Edelbrock head gasket sets. |
| Description_TRA |
Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. |
| Description_TRA |
Deck thickness: 5/8" |
| Description_TRA |
Rocker stud diameter: 3/8" |
| Description_TRA |
Pushrod diameter: 3/8" (width of slot in guide plate). |
| Series |
Performer |
| Seat Material |
Ductile Iron |
| Seat Angle |
Exhaust 45 deg/Intake 45 |
| Head Casting Number |
N/A |
| Combustion Chamber Volume |
68 |
| 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. |
| Push Rod Diameter |
(Suggested) 0.375 |
| Retainer Included |
Yes |
| Intake Valve Diameter |
2.125 |
| Quantity |
Sold Individually |
| Valve Springs Included |
Yes |
| Valve Spring Maximum Lift |
0.600 |
| Exhaust Port Location |
Standard |
| Valve Spring Diameter |
1.55 |
| Valve Included |
Yes |
| CNC Ported |
No |
| Guide Plates Included |
Yes |
| Construction Type |
Complete |
| Horsepower |
400-500 |
| Deck Thickness |
0.625 |
| Family |
Performer |
| Material |
Aluminum |
| Guide Material |
Manganese Bronze |
| EGR Port |
No |
| Valve Angle |
15 |
| Exhaust Valve Diameter |
1.75 |
| Intake Runner Volume |
215 |
| Grade Type |
Performance |
| Camshaft Type |
Flat Tappet |
| Valve Stem Diameter |
0.34375 |
| Guide Plate Material |
Hardened Steel |
| Rocker Arm Stud Diameter |
0.375 |
| Exhaust Runner Volume |
130 |
| Length |
9.0000 |
| Width |
11.0000 |
| Height |
26.0000 |
| Weight |
36.0000 |
