Edelbrock Performer Aluminum RPM head w/o Exhaust Crossover

All Edelbrock aluminum cylinder heads feature threaded inserts in the rocker studs and exhaust manifold bolt holes for superior strength and durability, plus hardened seats, bronze valve guides, and fully machined valve cover rails for a more consistent gasket seal. They offer improved power throughout the rpm range for greater throttle response and top-end horsepower. The intake and exhaust runners are CNC-machine profiled for superior flow and performance.

Exhaust bolt holes are 3/8"

INSTALLATION NOTE: Edelbrock head gasket sets recommended.  Complete cylinder heads are assembled and prepared for installation right out of the box.  Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat.  Use Edelbrock Step Washer Kit #9693 on 1967-69 engines with 7/16" head bolts.  Deck thickness: 5/8", rocker stud diameter: 3/8", pushrod diameter: 5/16" (width of slot in guide plate).

• Fits 1967-1983 Wagoneer
• Fits 1984-1991 Grand Wagoneer
• Fits 1974-1983 Cherokee
• Fits 1967-1988 J-trucks
• Models All with AMC V8 Engines
• 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
• Chamber Size: 54cc
• Intake Port Size: 185cc
• Intake Valve Size: 2.02"
• Exhaust Valve Size: 1.60"
• Heads come fully assembled and ready to bolt on!!
• Sold Individually