Special Note: Camshaft and Lifters Not Included

• Cylinder Head Style: Assembled
• Cylinder Head Material: Aluminum
• Cylinder Head Finish: Natural
• Combustion Chamber Volume (cc): 78 cc
• CNC-Machined Combustion Chamber: Yes
• Intake Runner Volume (cc): 325 cc
• CNC-Machined Intake Runner: Yes
• CNC-Machined Exhaust Runner: Yes
• Intake Port Shape: Rectangular
• Intake Port Location: Standard
• Exhaust Port Shape: Rectangular
• Exhaust Port Location: Standard
• Spark Plug Style: Standard
• Comp. Valve Job: No
• Intake Valves Included: Yes
• Intake Valve Diameter (in): 2.200 in.
• Exhaust Valves Included: Yes
• Exhaust Valve Diameter (in): 1.810 in.
• Valve Springs Included: Yes
• Maximum Valve Lift (in): 0.650 in.
• Outside Diameter of Outer Spring (in): 1.550 in.
• Damper Spring Included: Yes
• Number of Springs Per Valve: Single
• Retainers Included: Yes
• Retainer Material: Chromoly steel
• Locks Included: Yes
• Lock Style: 10 degree
• Valve Stem Seals Included: Yes
• Valve Stem Seal Style: Positive stop
• Rocker Arm Studs Included: No
• Rocker Arms Included: No
• Rocker Arm Nuts Included: No
• Guideplates Included: No
• Valve Cover Mounting Style: Center & Perimeter Bolt
• Accessory Bolt Holes Drilled: Yes
• Intake Valve Angle: 15 deg.
• Exhaust Valve Angle: 15 deg.
• 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
• Sold as a pair

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART