CYLINDER HEADS
Chevrolet Big Block 396-454 (Cont.) Edelbrock Performer 454-O Aluminum Head Oval port head has exhaust crossover passage to achieve 50 state legal status. Sold individually. Bare or assembled.
EDE60479
Intake Runner
Comb. Chamber
Port Type Oval Oval Oval Oval Rect
Valve Angle
Intake Valve 2.190" 2.190" 2.190" 2.190" 2.190"
Exhaust Valve
Part No.
Description
EDE60439 Assembled,1.55" Dual Valve Springs, Hyd. Cam 290cc 110cc
26° 26° 26° 26° 26°
1.880" 1.880" 1.880" 1.880" 1.880"
EDE60447 EDE60455 EDE60479 EDE60555
Bare, NHRA Super Stock Legal Assembled, 1.550 " Dual Spring
290cc 110cc 290cc 110cc 290cc 110cc 315cc 118cc
Assembled, 454-O
Assembled, 1.550" Dual Spring
Edelbrock E-Street Aluminum Heads These E-Street Aluminum cylinder heads are designed for entry level street performance engines operating in the idle to 5,500 rpm range. Features Edelbrock A356 T-6 aluminum alloy for superior strength, larger than stock intake & exhaust ports, modern combustion
chamber design, heli-coiled threaded inserts, manganese bronze valve guides, 7/16" ARP rocker studs, and powder metal interlocking valve seats. Assembled heads include stainless steel one-piece valves, hardened spring cups, 7/16" ARP rocker arm studs, 3/8" guide plates, 1.550" dia. valve springs, steel reatiners, and PC-seals. Max valve lift .700". Sold individually.
Intake Runner
Comb. Chamber
Port Type Oval Oval
Valve Angle
Intake Valve 2.190" 2.190"
Exhaust Valve
Part No.
Description Bare Head Assembled
EDE50449 EDE50459
290cc 290cc
110cc 110cc
26° 26°
1.880" 1.880"
Edelbrock E-CNC BBC Aluminum Heads Edelbrock E-CNC BBC Aluminum Heads deliver maximum horsepower and torque in HP street and light duty racing applications. Full CNC porting of the combustion chambers, intake and exhaust runners, 0.125" raised exhaust ports but still in the stock location, mod- ified spark plug angles to produce a smooth flame travel, and modified valve angles for improved flow for fuel efficiency and maximum power. Max lift .700". Sold individually.
Comb. Chamber
Port Type
Valve Angle
Intake Valve
Exhaust Valve
Part No.
Description
Intake Runner
EDE79539 EDE79559
Assembled, E-CNC 355, 1.55" Dual Valve Springs 348cc (lh)/356cc (rh) Assembled,E-CNC 355, 1.55" Dual Valve Springs 354cc (lh)/334cc (rh)
110cc Rect. 24.5°/4.4° 2.300" 1.880" 118cc Rect. 24.5°/4.4° 2.300" 1.880"
Edelbrock Performer RPM Aluminum Head
EDE60559
Performer RPM head is available with oval or rectangular ports. Performer RPM 454-O heads are the same as Performer castings, but the exhaust crossover has been deleted. The 454-R rectangular port head flows substantially more than the oval port head in the 3500-7000 RPM range. All sold individually. Bare or assembled.
Intake Run- ner
Comb. Chamber
Exhaust Valve
Part No.
Description Bar,. 454-O
Port Type Valve Angle
Intake Valve
EDE60449 EDE60459 EDE604519 EDE60549 EDE60559 EDE605519 EDE61459 EDE61559
290cc 290cc 290cc 315cc 315cc 315cc 290cc 315cc
110cc 110cc 110cc 118cc 118cc 118cc 110cc 118cc
Oval Oval Oval Rect. Rect. Rect. Oval Rect.
26° 26° 26° 26° 26° 26° 26° 26°
2.190" 2.190" 2.190" 2.190" 2.190" 2.190" 2.250" 2.250"
1.880" 1.880" 1.880" 1.880" 1.880" 1.880" 1.890" 1.890"
Assembled, 454-O Polished, 60459
Bare, 454-R
Assembled, 454-R Polished, 60559 Assembled, Marine Assembled, Marine
2018 ENGINE BUILDER CATALOG
163
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