Cylinder Head Style: Assembled Cylinder Head Material: Aluminum Cylinder Head Finish: Natural Combustion Chamber Volume (cc): 70 CNC-Machined Combustion Chamber: Yes Intake Runner Volume (cc): 225cc Exhaust Runner Volume (cc): 95cc CNC-Machined Intake Runner: Yes CNC-Machined Exhaust Runner: Yes Combustion Chamber Style: Heart Intake Port Shape: Rectangular Intake Port Location: Standard Exhaust Port Shape: Square Exhaust Port Location: Raised Intake Valves Included: Yes Intake Valve Diameter (in): 2.080 in. Exhaust Valves Included: Yes Exhaust Valve Diameter (in): 1.600 in. Valve Springs Included: Yes Maximum Valve Lift (in): 0.600 in Outside Diameter of Outer Spring (in): 1.460 in. Damper Spring Included: Yes Number of Springs Per Valve: Dual Retainers Included: Yes Retainer Material: Titanium Locks Included: Yes Lock Style: 10 degree Valve Stem Seals Included: Yes Rocker Arm Studs Included: Yes Rocker Arm Nut Thread Size: 7/16-20 in. Rocker Arms Included: No Rocker Arm Nuts Included: No Guideplates Included: Yes Guideplate Pushrod Size: 5/16 in. Valve Cover Mounting Style: Perimeter bolt Accessory Bolt Holes Drilled: Yes Intake Valve Angle: 20 Exhaust Valve Angle: 20 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: Designed for hydraulic roller cams. Exhaust port is raised 0.750 in. over stock location, valve cover rail is raised 0.400 in. over stock. Must use inline valve style piston or High Port specific pistons.
