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| CYLINDER HEADS - Oldsmobile - RPM |
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| Street Legal & Street High-Performance Heads |
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Performer RPM Olds
- Designed for high-performance non-emission 1965-76 Olds 400, 425 and 455 c.i.d. V8s
- Dual quench areas for a more efficient burn, outstanding hp and torque
- Valvetrain has been upgraded from the factory pedestal-mount system to an ARP 7/16"
screw-in stud and 3/8" pushrod-slot guideplate for increased valvetrain stability
- High-velocity 188cc intake ports and 106cc raised-floor exhaust ports for more flow
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| PERFORMER RPM OLDS |
| Chamber Size |
Intake Port Size |
Valve Sizes (in/ex) |
Bare (single) |
Complete (single) |
| 77cc |
188cc |
2.072"/1.680" |
#60529* |
#60519* |
| PERFORMER RPM OLDS (NHRA-accepted for Stock and Super Stock) |
| 77cc |
188cc |
2.072"/1.680" |
#60517* |
N/A |
 Notes: Recommended intake gasket: Mr. Gasket #404 or contact Mondello Performance at (805) 237-8808.
Head bolt holes drilled for stock 7/16" bolts, but can be easily modified for 1/2" bolts or studs by
drilling the 1/2" counterbore. Aftermarket 7/16"-stud rocker arms and 3/8" hardened pushrods
required. Will fit 350-403 Olds with Edelbrock manifold #7111 only (port matching required).
See Cylinder Heads Specs for information. |
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AMC
