Page 164 - 2018 Racecar Engineering Engine Parts and Accessories Catalog

CYLINDER HEADS

Chevrolet Big Block 396-454 (Cont.)

Edelbrock
EDE60479
Performer 454-O Aluminum Head
Oval port head has exhaust crossover passage to achieve 50 state legal status. Sold
individually. Bare or assembled.
Intake Comb. Port Valve Intake Exhaust
Part No. Description Runner Chamber Type Angle Valve Valve
EDE60439 Assembled,1.55" Dual Valve Springs, Hyd. Cam 290cc 110cc Oval 26° 2.190" 1.880"
EDE60447 Bare, NHRA Super Stock Legal 290cc 110cc Oval 26° 2.190" 1.880"
EDE60455 Assembled, 1.550 " Dual Spring 290cc 110cc Oval 26° 2.190" 1.880"
EDE60479 Assembled, 454-O 290cc 110cc Oval 26° 2.190" 1.880"
EDE60555 Assembled, 1.550" Dual Spring 315cc 118cc Rect 26° 2.190" 1.880"

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 Comb. Port Valve Intake Exhaust
Part No. Description Runner Chamber Type Angle Valve Valve
EDE50449 Bare Head 290cc 110cc Oval 26° 2.190" 1.880"
EDE50459 Assembled 290cc 110cc Oval 26° 2.190" 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. Port Valve Intake Exhaust
Part No. Description Intake Runner Chamber Type Angle Valve Valve
EDE79539 Assembled, E-CNC 355, 1.55" Dual Valve Springs 348cc (lh)/356cc (rh) 110cc Rect. 24.5°/4.4° 2.300" 1.880"
EDE79559 Assembled,E-CNC 355, 1.55" Dual Valve Springs 354cc (lh)/334cc (rh) 118cc Rect. 24.5°/4.4° 2.300" 1.880"

Edelbrock EDE60559
Performer RPM Aluminum Head
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- Comb. Exhaust
Part No. Description ner Chamber Port Type Valve Angle Intake Valve Valve
EDE60449 Bar,. 454-O 290cc 110cc Oval 26° 2.190" 1.880"
EDE60459 Assembled, 454-O 290cc 110cc Oval 26° 2.190" 1.880"
EDE604519 Polished, 60459 290cc 110cc Oval 26° 2.190" 1.880"
EDE60549 Bare, 454-R 315cc 118cc Rect. 26° 2.190" 1.880"
EDE60559 Assembled, 454-R 315cc 118cc Rect. 26° 2.190" 1.880"
EDE605519 Polished, 60559 315cc 118cc Rect. 26° 2.190" 1.880"
EDE61459 Assembled, Marine 290cc 110cc Oval 26° 2.250" 1.890"
EDE61559 Assembled, Marine 315cc 118cc Rect. 26° 2.250" 1.890"

2018 ENGINE BUILDER CATALOG 163