Speedmaster PCE281.1800 Pontiac Bare Aluminum Cylinder Head:

• Cylinder Head Style: Bare
• Cylinder Head Material: Aluminum
• Cylinder Head Finish: Natural
• Combustion Chamber Volume: 72 cc
• CNC-Machined Combustion Chamber: No
• Intake Runner Volume: 215cc
• Exhaust Runner Volume: 175cc
• CNC-Machined Intake Runner: No
• CNC-Machined Exhaust Runner: No
• Intake Port Shape: Ram Air IV
• Intake Port Location: Standard
• Exhaust Port Shape: Ram Air IV
• Exhaust Port Location: Standard
• Spark Plug Style: Standard
• Comp. Valve Job: No
• Intake Valves Included: No
• Intake Valve Diameter: 2.11 in.
• Exhaust Valves Included: No
• Exhaust Valve Diameter: 1.660 in.
• Valve Springs Included: No
• Damper Spring Included: No
• Retainers Included: No
• Locks Included: No
• Valve Stem Seals Included: No
• Rocker Arm Studs Included: No
• Rocker Arms Included: No
• Rocker Arm Nuts Included: No
• Guideplates Included: No
• Valve Cover Mounting Style: Perimeter Bolt
• Accessory Bolt Holes Drilled: Yes
• Intake Valve Angle: 14 deg.
• Exhaust Valve Angle: 14 deg.
• Valve Guides Included: Yes
• Valve Guide Material: Bronze
• Valve Seats Machined: No
• Valve Seat Machine Style: N/A
• Valve Seat Material: Ductile iron
• Steam Holes Drilled: No
• Oiling Style: Through pushrod
• Machined for O-Ring: No
• Heat Crossover: No
• Quantity: Sold individually.

Speedmaster PCE281.1800 Pontiac Bare Aluminum Cylinder Head Note:

• Valve guides must be reamed to 11/32 in. to accept standard valves

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.

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