• Performer RPM
• Cylinder Head
• Chamber Size 84cc
• Complete
• Single
• 61-78 361-440
• Not For Sale Or Use On Pollution Controlled Motor Vehicles

PERFORMER RPM FEATURES:

• compatible with 1961-79 Chrysler 361-440 c.i.d. Wedge engines
• Flow 291 cfm on the intake and 217 cfm on the exhaust at .600" lift
• Angled spark plugs for superior combustion
• 88cc chambers are machined .100" for clearance with quench dome style pistons

Cylinder Head Specifications:

• Combustion chamber volume: 84cc
• Intake runner volume: 210cc
• Exhaust runner volume: 70cc
• Intake valve diameter: 2.140"
• Exhaust valve diameter: 1.81"
• Valve stem diameter: 11/32"
• Valve guides: Manganese bronze
• Deck thickness: 5/8"
• Valve spring diameter: 1.55"
• Valve spring maximum lift: .600"
• Rocker stud: N/A
• Guideplate: N/A
• Pushrod diameter: 3/8"
• Valve angle: 15Á
• Exhaust port location: Stock
• Spark plug fitment: 14mm x 3/4 reach