Edelbrock 61025 Engine Cylinder Head
by Edelbrock
SKU ds_BDVJ_61025
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Original price
$2,304.72
-
Original price
$2,304.72
Original price
$2,304.72
$2,304.72
$2,304.72
-
$2,304.72
Current price
$2,304.72
Availability:
Only 3 left!
Description
The Edelbrock #61025 Performer RPM Cylinder Head for 1965-76 Oldsmobile 400, 425 and 455 CID V8 engines with hydraulic roller cam is a perfect performance upgrade for big-block Olds-powered street machines and muscle cars. This aluminum cylinder head supersedes the 60515 Olds head and features a redesigned 77cc combustion chamber, larger intake valves and refined bowl blending for improved flow. The #61025 Performer RPM head has improved accommodation for a factory-style mechanical fuel pump with spark plug locations moved slightly towards the exhaust valve for optimized combustion. Intake and exhaust ports have been improved over previous designs, and extra material has been added above the intake port for head work. Performer RPM #61025 heads are cast and machined by Edelbrock in the USA and comes complete with the highest quality intake and exhaust valves and valve springs.
Specifications
| Camshaft Type | Hydraulic Roller |
| CNC Ported | No |
| Combustion Chamber Volume | 77 |
| Construction Type | Complete |
| Deck Thickness | 0.625 |
| Description_ABR | CylinderHead |
| Description_ASM | Oldsmobile:Big-Block:400 (6.6L)/425 (7.0L)/455 (7.5L) |
| Description_DEF | Engine Cylinder Head |
| Description_EXT | The Edelbrock #61025 Performer RPM Cylinder Head for 1965-76 Oldsmobile 400, 425 and 455 CID V8 engines is a perfect performance upgrade for big-block Olds-powered street machines and muscle cars. |
| Description_INV | Performer RPM Cylinder Head for Olds |
| Description_LAB | Performer RPM Cylinder Head #61025 for Oldsmobile Big Block |
| Description_MKT | The Edelbrock #61025 Performer RPM Cylinder Head for 1965-76 Oldsmobile 400, 425 and 455 CID V8 engines with hydraulic roller cam is a perfect performance upgrade for big-block Olds-powered street machines and muscle cars. This aluminum cylinder head supersedes the 60515 Olds head and features a redesigned 77cc combustion chamber, larger intake valves and refined bowl blending for improved flow. The #61025 Performer RPM head has improved accommodation for a factory-style mechanical fuel pump with spark plug locations moved slightly towards the exhaust valve for optimized combustion. Intake and exhaust ports have been improved over previous designs, and extra material has been added above the intake port for head work. Performer RPM #61025 heads are cast and machined by Edelbrock in the USA and comes complete with the highest quality intake and exhaust valves and valve springs. |
| Description_TRA | Performer RPM #61025 heads are equipped with springs for use in hydraulic roller camshaft applications and intended for installation on 1965-76 Oldsmobile 400-455 CID big-block engines with a deck height of 10.625 inches. These heads will fit on Oldsmobile small-block engines but the 77cc chamber size will lower compression and is not ideal for performance. |
| EGR Port | No |
| Exhaust Port Location | Standard |
| Exhaust Runner Volume | 128 |
| Exhaust Valve Diameter | 1.680 |
| Family | Performer RPM |
| Grade Type | Performance |
| Guide Material | Manganese Bronze |
| Guide Plate Material | Hardened Steel |
| Guide Plates Included | Yes |
| Head Casting Number | N/A |
| height | 8.25 |
| Horsepower | 450-600 |
| Intake Runner Volume | 218 |
| Intake Valve Diameter | 2.150 |
| length | 24.75 |
| LTL | N |
| Material | Aluminum |
| Push Rod Diameter | (Suggested) 0.375 |
| Quantity | Sold Individually |
| Retainer 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. |
| Seat Angle | Exhaust 60 deg/Intake 60 |
| Seat Material | Ductile Iron |
| Series | Performer RPM |
| Valve Angle | 6 |
| Valve Included | Yes |
| Valve Spring Diameter | 1.105 |
| Valve Spring Maximum Lift | 0.600 |
| Valve Springs Included | Yes |
| Valve Stem Diameter | 0.3438 |
| weight | 33.75 |
| width | 16.5 |
