Material: Aluminum
Style: Bare
Finish: Natural
Combustion Chamber Volume: 61cc
Intake Runner Volume: 185cc
Exhaust Runner Volume: 65cc
Intake Valve Diameter: 2.020"
Exhaust Valve Diameter: 1.600"
Valve Stem Diameter: 0.3438"
Valve Guide Material: Manganese Bronze
Intake Port Shape: Rectangle
Intake Port Location: Standard
Exhaust Port Shape: Square
Exhaust Port Location: Standard
Valve Seat Machine Style: 3-Angle
Valve Seat Material: Ductile Iron