CYLINDER HEADS
283-400 (Cont.) Edelbrock NHRA Performer RPM Aluminum Cylinder Heads Super Stock NHRA-approved Edelbrock bare cylinder head has valve guides and seats installed, but will require final sizing and valve job to match the valves chosen. 9/16" deck thickness, 3/8" rocker arm studs, and 5/16" pushrod hole. For use with stock rocker arms. Sold each.
Intake Runner 185cc 185cc
Comb. Chamber
Plug Angle
Valve Angle
Intake Valve
Exhaust Valve 1.600" 1.600"
Part No.
Description Bare Head Bare Head
EDE60887 EDE60947
64cc 64cc
Straight Straight
23° 23°
2.020" 2.020"
Edelbrock E-Tec Aluminum Cylinder Heads E-Tec heads use a high-quench combustion chamber for increased power on 302- 400 engines fitted with “Vortec-style” intake manifolds. Fully assembled heads, 1.460" dia. dual springs for hyd. roller applications, available in170cc and 200cc intake runner versions. Sold individually.
Intake Runner 170cc 200cc
Comb. Chamber
Plug Angle Angle Angle
Valve Angle
Intake Valve
Exhaust Valve 1.600" 1.600"
Part No.
Description
EDE60975 EDE60985
E-Tec 170 Assembled E-Tec 200 Assembled
64cc 64cc
23° 23°
2.020" 2.020"
Edelbrock E-Street E-Street™ aluminum cylinder heads are for street performance engines operating in the idle to 5,500 RPM range. Modern combustion chamber designs and larger than stock intake and exhaust ports move more air for increased horsepower and torque. Head has bronze valve guides, powder metal interlocking valve seats, stainless steel one-piece valves with hardened tips, 1.25" diameter valve springs, 3/8" screw-in studs, and guide plates. Sold in pairs.
Intake Runner 185cc 185cc
Comb. Chamber
Plug Angle
Valve Angle
Intake Valve
Exhaust Valve 1.600" 1.600"
Part No.
Description
EDE5073 EDE5089
Assembled, E-Street, (Pair) Assembled, E-Street, (Pair)
70cc 64cc
Straight Straight
23° 23°
2.020" 2.020"
Edelbrock E-210 E-Series Aluminum Cylinder Heads The E-210 E-Series heads offer a step up to race-level performance with OEM compatibility in applications up to 500 HP naturally aspirated, or more for forced air induction. Featuring large 210cc intake runners, revised exhaust ports, large diame- ter springs for higher lift cams for large displacement engines. Sold in pairs.
Intake Runner
Comb. Chamber
Plug Angle
Valve Angle
Intake Valve
Exhaust Valve
Part No.
Description
EDE5085 Assembled, 1.46" Single Valve Spring for Hydraulic Flat Tappet
210cc
64cc
Straight
23°
2.080"
1.600"
Assembled, 1.55" Dual Spring for Mech Flat Tappet or Hydraulic Roller
EDE5087
210cc
64cc
Straight
23°
2.080"
1.600"
Edelbrock E-CNC 225 Aluminum Cylinder Heads The E-CNC 225 cylinder heads feature fully CNC-machined intake ports, combus- tion chambers, and exhaust ports. Intake flange bolt pattern for use with 1996 and earlier intake manifolds. Delivers 30-60 HP over Performer RPM. Sold individually.
Intake Runner
Comb. Chamber
Plug Angle
Valve Angle
Intake Valve
Exhaust Valve
Part No.
Description
Assembled, 1.46" Springs for Hydraulic Roller
EDE61205
225cc
68cc
Angled
23°
2.100"
1.600"
54
2021-22 ENGINE BUILDER CATALOG
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