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RPM Cylinder Head #61029 Oldsmobile Big Block, Flat Tappet Camshaft

$999.50
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The Edelbrock #61029 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.
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SKU
61029
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The Edelbrock #61029 Performer RPM Cylinder Head for 1965-76 Oldsmobile 400, 425 and 455 CID V8 engines with hydraulic flat tappet cam is a perfect performance upgrade for big-block Olds-powered street machines and muscle cars. This aluminum cylinder head supersedes the 60519 Olds head and features a redesigned 77cc combustion chamber, larger intake valves and refined bowl blending for improved flow. The #61029 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 #61029 heads are cast and machined by Edelbrock in the USA and comes complete with the highest quality intake and exhaust valves and valve springs.

Documents & Installation Notes

Specs

Availability Available
Application Application Specific
UPC 00085347610297
Series Performer RPM
Quantity Sold Individually
Availability Note Available to Order
Warranty 12 Months
Horsepower 450-600 HP
Ech Ival Dia 2.150 in
Camshaft Type Flat Tappet
Guide Plate Material Hardened Steel
Seat Angle Exhaust 60 deg/Intake 60 deg
Emissions Code
Hazardous Materials Warning 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.
Installation Notes
  • Performer RPM #61029 heads are equipped with springs for use in hydraulic flat tappet 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.
CNC Ported No
Combustion Chamber Volume 77 cc
Deck Thickness 0.625 in
Exhaust Valve Diameter 1.680 in
Guide Plates Included Yes
Intake Runner Volume 218 cc
Material Aluminum
Push Rod Diameter (Suggested) 0.375 in
Rocker Stud Diameter 0.4375 in
Valve Angle 6 deg
Valve Spring Diameter 1.105 in
Valve Spring Maximum Lift 0.600 in
Valve Stem Diameter 0.3438 in