Cylinder Head Style: Assembled
Cylinder Head Material: Aluminum
Cylinder Head Finish: Natural
Combustion Chamber Volume (cc): 78
CNC-Machined Combustion Chamber: Yes
Intake Runner Volume (cc): 325cc
Exhaust Runner Volume (cc): 145cc
CNC-Machined Intake Runner: Yes
CNC-Machined Exhaust Runner: Yes
Combustion Chamber Style: Heart
Intake Port Shape: Round
Intake Port Location: Standard
Exhaust Port Shape: D-port
Exhaust Port Location: Raised
Spark Plug Style: Angle
Intake Valves Included: Yes
Intake Valve Diameter (in): 2.250 in.
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in): 1.760 in.
Valve Springs Included: Yes
Maximum Valve Lift (in): 0.680 in.
Outside Diameter of Outer Spring (in): 1.550 in.
Damper Spring Included: Yes
Number of Springs Per Valve: Dual
Retainers Included: Yes
Retainer Material: Chromoly
Steel Locks Included: Yes
Lock Style: 10 degree
Valve Stem Seals Included: Yes
Rocker Arm Studs Included: Yes
Rocker Arms Included: No
Rocker Arm Nuts Included: No
Rocker Arm Nut Thread Size: 7/16-20 in.
Guideplates Included: Yes
Guideplate Pushrod Size: 3/8"
Valve Cover Mounting Style: Perimeter bolt
Accessory Bolt Holes Drilled: Yes
Intake Valve Angle: 15/5
Exhaust Valve Angle: 15.25/4.5
Valve Guides Included: Yes
Valve Guide Material: Bronze
Valve Seats Machined: Yes
Valve Seat Machine Style: 3-angle
Valve Seat Material: Ductile iron
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: No
Quantity: Sold individually
Notes: Requires a Cobra Jet header. Exhaust port is raised 0.270 in. over stock.
