Head Gasket Mark IV Fel-Pro #1017-1 or equivalent

Head Bolt Torque 75 ft/lbs.

Head Bolts Mark IV ARP #135-3712

Head Studs Mark IV ARP #235-4713

Rocker Stud Torque 50 ft/lbs.

Rocker Stud Girdle Harland Sharp G1114 or equivalent

Rocker Arms Stud Mount Standard

Intake Port (cc) 320cc

Intake Port Dimensions 2.45" x 1.75" Rectangle

Intake Gasket Fel-Pro #1252-3 or equivalent

Exhaust Port (cc) 125cc

Exhaust Port Location Raised .375"

Exhaust Port Dimensions 1.75" x 2.00" D

Exhaust Gasket PW #419 or equivalent

Intake Valve Size 2.25"

Exhaust Valve Size 1.88"

Valve Angle 24°/15°

Valve Spring Pocket O.D. 1.735"

Valve Guide Size 11/32" .530" (Top) .570" (Base)

Deck Thickness .750"

Combustion Chamber (cc) 120cc

Minimum Bore Diameter 4.25"

Spark Plug Size 14mm x .750" Gasket (eg. Autolite #3924)

Spark Plug Location/Angle OE/Angle