Pro 1 LS1 Aluminum Cylinder Head (each)per head. BUY now for $1090.00 each + Free Shipping. Shipped from Dart 6-8 weeks.

• Assembled
• 205cc Intake Ports
• 62cc Combustion Chambers
• 2.020” Int/ 1.600” Exh Valves
• 1.290” Valve Springs

• Specifications:

• Accessory Bolt Holes Drilled: Yes
• CNC-Machined Combustion Chamber: No
• CNC-Machined Exhaust Runner: No
• CNC-Machined Intake Runner: No
• Combustion Chamber Style: Heart
• Combustion Chamber Volume (cc): 62
• Cylinder Head Finish: Natural
• Cylinder Head Material: Aluminum
• Cylinder Head Style: Assembled
• Damper Spring Included: No
• Exhaust Port Location: Standard
• Exhaust Valve Diameter (in.): 1.6
• Exhaust Valves Included: Yes
• Guideplates Included: No
• Heat Crossover: No
• Intake Port Location: Standard
• Intake Runner Volume (cc): 205
• Intake Valve Diameter (in.): 2.02
• Intake Valves Included: Yes
• Lock Style: 7 degree
• Locks Included: Yes
• Machined for O-Ring: No
• Maximum Valve Lift (in.): 0.625
• Number of Springs Per Valve: Single
• Oiling Style: Through head
• Outside Diameter of Outer Spring (in.): 1.29
• Quantity: Sold individually
• Retainer Material: Steel
• Retainers Included: Yes
• Rocker Arm Nuts Included: No
• Rocker Arm Studs Included: No
• Rocker Arms Included: No
• Steam Holes Drilled: No
• Valve Cover Mounting Style: Centerbolt
• Valve Guide Material: Manganese bronze
• Valve Guides Included: Yes
• Valve Seat Machine Style: 4-angle intake/3-angle exhaust
• Valve Seat Material: Powdered metal
• Valve Seats Machined: Yes
• Valve Springs Included: Yes
• Valve Stem Seal Style:  Positive stop
• Valve stem seals included