Material: A356 Aluminium
Chamber: 68cc
Intake Port Volume: 205cc
Intake Port Dimension: 2.08" x 1.49"
Exhaust Port Volume: 125cc
Exhaust Port Dimension: 1.61" H x 1.50" W
Exhaust PortLocation: Raised .080"
Spark Plug Location: OEM
Intake Valve Diameter: 2.10"
Exhaust Valve Diameter: 1.65"
Valve Stem Diameter: 11/32"
Valve Spring Pocket I.D.: 1.570"
Valve Guide Material: Manganese Bronze
Valve Guide O.D.: .530 Valve Stem Seal
Rocker Stud Thread Size:7/16" x 14
Valve Angle: 10°
Deck Thickness: .750"
Important Information:
IMPORTANT NOTICE:
We recommend to check installed spring seat pressure & open pressure before installing your cylinder headsto make sure the spring pressure is correct for your application.