CYLINDER HEADS

Cylinder Head Specifications; Combustion chamber volume: 16cc; Intake runner volume: 215cc; Exhaust runner volume: 115cc; Intake valve diameter: 2.19; Exhaust valve diameter: 1.72; Valve stem diameter: 11/32; Valve guides: Manganese bronze; Deck thickness: 9/16; Valve spring diameter: 1.55; Valve spring maximum lift: .600; Rocker stud: 7/16; Guideplate: Hardended steel; Pushrod diameter: 3/8; Valve angle: 0°; Exhaust port location: Stock; Spark plug fitment: 14mm x 3/4 reach, gasket seat ** Use Edelbrock head gasket sets. May be used on 348 engines with valve lifts up to .550 only. Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4 reach with flat gasket seat. These heads will only fit 1958-65 348 c.i.d. W engines if an Edelbrock #5409, #7159 or stock large port 409 c.i.d. manifold is used. Proper cylinder wall notching must be checked to ensure exhaust valve to cylinder clearance. Deck thickness: 9/16, rocker stud diameter: 7/16, pushrod diameter: 3/8 (width of slot in guide plate).
Edelbrock Performer RPM 348/409 Chevy cylinder head (complete)
Edelbrock Custom Direct Port Plumb Kit #71851 is designed for use on modified V-8 engines. This kit utilizes our E2 nozzles for serious competition with power increases of up to 300 horsepower or more.
Chevrolet:W Big-Block:348 (5.7L)/409 (6.7L)

Fitment:
Chevrolet Bel Air Base 1958
Chevrolet Bel Air Base 1959
Chevrolet Bel Air Base 1960
Chevrolet Bel Air Base 1961
Chevrolet Bel Air Base 1962
Chevrolet Bel Air Base 1963
Chevrolet Bel Air Base 1964
Chevrolet Bel Air Base 1965
Chevrolet Biscayne Base 1958
Chevrolet Biscayne Base 1959
Chevrolet Biscayne Base 1960
Chevrolet Biscayne Base 1961
Chevrolet Biscayne Base 1962
Chevrolet Biscayne Base 1963
Chevrolet Biscayne Base 1964
Chevrolet Biscayne Base 1965
Chevrolet Biscayne Fleetmaster 1960
Chevrolet Brookwood Base 1958
Chevrolet Brookwood Base 1959
Chevrolet Brookwood Base 1960
Chevrolet Brookwood Base 1961
Chevrolet C10 Pickup Base 1960
Chevrolet C10 Pickup Base 1961
Chevrolet C20 Pickup Base 1960
Chevrolet C20 Pickup Base 1961
Chevrolet C30 Pickup Base 1960
Chevrolet C30 Pickup Base 1961
Chevrolet Del Ray Base 1958
Chevrolet El Camino Base 1959
Chevrolet El Camino Base 1960
Chevrolet Impala Base 1958
Chevrolet Impala Base 1959
Chevrolet Impala Base 1960
Chevrolet Impala Base 1961
Chevrolet Impala Base 1962
Chevrolet Impala Base 1963
Chevrolet Impala Base 1964
Chevrolet Impala Base 1965
Chevrolet Impala SS 1964
Chevrolet Impala SS 1965
Chevrolet K10 Pickup Base 1960
Chevrolet K10 Pickup Base 1961
Chevrolet K20 Pickup Base 1960
Chevrolet K20 Pickup Base 1961
Chevrolet Kingswood Base 1959
Chevrolet Kingswood Base 1960
Chevrolet Kingswood Base 1961
Chevrolet Nomad Base 1958
Chevrolet Nomad Base 1959
Chevrolet Nomad Base 1960
Chevrolet Nomad Base 1961
Chevrolet Parkwood Base 1959
Chevrolet Parkwood Base 1960
Chevrolet Parkwood Base 1961
Chevrolet Sedan Delivery Base 1958
Chevrolet Suburban Base 1960
Chevrolet Suburban Base 1961
Chevrolet Truck Base 1958
Chevrolet Truck Base 1960
Chevrolet Yeoman Base 1958