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AMC Performer RPM, 1967-91 343, 360, 390 and 401 c.i.d. AMC engines Cylinder Head, Aluminum, Bare (single) 54cc Chamber, 185cc Intake Runner, AMC, 343/360/390/401
Complete AMC/Jeep Performer RPM Cylinder Head 185cc Intake Ports 54cc Combustion Chambers use 2.020' Int/1.600' Exh Valves Bare (single), Sold Individually
Bolt-on Edelbrock Performance for AMX, Javelin, Jeep & More Designed for 1967-91 343, 360, 390 and 401 c.i.d. AMC engines 54cc dual-quench combustion chamber produces around a 9.5:1 compression in 401 V8s 45° intake seat angle (stock is 30°) offers improved mid- to high-lift flow A direct bolt-on for 1970 and later engines with 1/2" head bolts, these heads include step-dowel pins for pre-1970 engines Use Edelbrock Step Washer Kit #9693 on 1967-69 engines with 7/16" head bolts
Accessory Bolt Holes Drilled
No
Brand
Edelbrock
CNC-Machined Combustion Chamber
No
CNC-Machined Exhaust Runner
No
CNC-Machined Intake Runner
No
Combustion Chamber Volume (cc)
54
Cylinder Head Finish
Natural
Cylinder Head Material
Aluminum
Cylinder Head Style
Bare
Damper Spring Included
No
Exhaust Port Location
Standard
Exhaust Runner Volume (cc)
70cc
Exhaust Valve Diameter (in)
1.600 in.
Exhaust Valves Included
No
Guideplates Included
No
Heat Crossover
No
Intake Port Location
Standard
Intake Runner Volume (cc)
185cc
Intake Valve Diameter (in)
2.020 in.
Intake Valves Included
No
Locks Included
No
Machined for O-Ring
No
Oiling Style
Through head
Part Type
Cylinder Heads
Product Line
Edelbrock Performer RPM Cylinder Heads
Quantity
Sold individually.
Retainers Included
No
Rocker Arm Nuts Included
No
Rocker Arm Studs Included
No
Rocker Arms Included
No
Steam Holes Drilled
No
Valve Guide Material
Manganese bronze
Valve Guides Included
Yes
Valve Seat Machine Style
3-angle
Valve Seat Material
Ductile iron
Valve Seats Machined
Yes
Valve Springs Included
No
Valve Stem Seal Set Included
No