CYLINDER HEADS
Oldsmobile Big Block 400-455 Edelbrock Performer RPM Aluminum Head
Improved intake ports, raised exhaust runners and a greater quench area creates sub- stantially more power for 400-455 Olds engines. May be used on 350-403 small blocks if manifold EDE7111 is port matched to heads. Sold individually, bare or assembled.
EDE60515
Intake Runner
Comb. Chamber
Valve Angle
Intake Valve 2.070" 2.072" 2.072"
Exhaust Valve
Part No. EDE60515 EDE60519 EDE60529
Description
Assembled, 1.460" Spring
188cc 188cc 188cc
77cc 77cc 77cc
6° 6° 6°
1.680" 1.680" 1.680"
Assembled
Bare
Pontiac 389-455 Edelbrock Performer D-Port Aluminum Cylinder Head
Heads use the D-Port exhaust ports for use with 1962-79 389, 400, 421, 428 and 455 CID engines with a 4.060" or larger bore. Accepts OEM guide plates, rocker studs and accessories. Choose from heads with 72cc, and 87cc combustion chambers. Heads are 50-state emissions legal. Sold individually.
EDE61579
Intake Runner
Comb Chamber
Valve Angle
Intake Valve 2.110" 2.110"
Exhaust Valve
Part No. EDE61569 EDE61575 EDE61579
Description
Bare
204cc 204cc 204cc
87cc 87cc 87cc
14° 14° 14°
1.660" 1.660" 1.660"
Assembled, 1.460" Spring
Assembled, 1.460" Valve Spring, 120 Lbs. Seat Pressure Performer Pontiac D-Port, Assembled, 1.460" Spring Assembled, 1.460" Valve Spring, 120 Lbs. Seat Pressure
2.110"
EDE61595
204cc
72cc
14°
2.110"
1.660"
EDE61599
204cc
72cc
14°
2.110"
1.660"
Edelbrock Performer RPM Aluminum Cylinder Head Patterned after the 1969-70 Ram Air IV heads. D-shaped exhaust ports require Ram Air IV headers. Available with a 87cc or 72cc combustion chamber. Sold individually, bare or assembled. EDE60579
Intake Runner
Comb Chamber
Valve Angle
Intake Valve 2.110" 2.110" 2.110" 2.110" 2.110" 2.110" 2.110" 2.110" 2.110" 2.110"
Exhaust Valve
Part No. EDE60569 EDE60575 EDE60579 EDE61525 EDE60587 EDE60589 EDE60595 EDE60599 EDE61515 EDE61519
Description
Bare
215cc 215cc 215cc 215cc 215cc 215cc 215cc 215cc 215cc 215cc
87cc 87cc 87cc 87cc 72cc 72cc 72cc 72cc 72cc 72cc
14° 14° 14° 14° 14° 14° 14° 14° 14° 14°
1.660" 1.660" 1.660" 1.660" 1.660" 1.660" 1.660" 1.660" 1.660" 1.660"
Assembled, 1.460" Spring
Assembled
Assembled, 1.460" Spring
Bare, NHRA Accepted For Stock And Super Stock
Bare
Assembled, 1.460" Spring
Assembled
Assembled, 1.460" Spring Assembled, 1.460" Spring
Edelbrock Pontiac 455 Performer RPM CNC The RPM CNC cylinder head have the same specifications as the RPM Performer and feature a CNC-machined combustion chamber. The CNC-machined chamber results in a consistent and precise chamber for improved flow performance. Sold individually.
Intake Runner
Comb Chamber
Valve Angle
Intake Valve 2.110"
Exhaust Valve
Part No. EDE61529
Description Assembled
215cc
87cc
14°
1.660"
2018 ENGINE BUILDER CATALOG
176
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