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Performance heads at an affordable price.

Race-proven features and affordable pricing make these Dart Pro 1 355-T6 aluminum cylinder heads one of the biggest values in racing. Available as bare castings or fully assembled, the fully assembled heads include stainless steel valves, valve springs, retainers, locks, seals, studs, and guideplates. They come with your choice of angled or straight plug locations, and accept all early and late model accessory brackets.

• Cylinder Head Style-Assembled
• Cylinder Head Material - Aluminum
• Cylinder Head Finish - Natural
• Combustion Chamber Volume (cc) - 64
• CNC-Machined Combustion Chamber - No
• Intake Runner Volume (cc) - 215cc
• Exhaust Runner Volume (cc) - 75cc
• CNC-Machined Intake Runner - No
• CNC-Machined Exhaust Runner - No
• Combustion Chamber Style - Heart
• Intake Port Location - Standard
• Exhaust Port Shape - Square
• Exhaust Port Location - Standard
• Spark Plug Style - Straight
• Intake Valves Included - Yes
• Intake Valve Diameter (in) - 2.050 in.
• Exhaust Valves Included - Yes
• Exhaust Valve Diameter (in) - 1.600 in.
• Valve Springs Included - Yes
• Maximum Valve Lift (in) - 0.690 in.
• Outside Diameter of Outer Spring (in) - 1.550 in.
• Damper Spring Included - Yes
• Number of Springs Per Valve - Dual
• Retainers Included - Yes
• Retainer Material - Steel
• Locks Included - Yes
• Lock Style - 10 degree
• Valve Stem Seals Included - Yes
• Valve Stem Seal Style - PC seal
• Rocker Arm Studs Included - Yes
• Rocker Arm Nut Thread Size - 3/8-24 in.
• Rocker Arms Included - No
• Rocker Arm Nuts Included - No
• Guideplates Included - Yes
• Guideplate Pushrod Size - 5/16 in.
• Valve Cover Mounting Style - Center and perimeter bolt
• Accessory Bolt Holes Drilled - Yes
• Intake Valve Angle - 23
• Exhaust Valve Angle - 23
• Valve Guides Included - Yes
• Valve Guide Material - Manganese bronze
• Valve Seats Machined - Yes
• Valve Seat Machine Style - 4-angle intake/3-angle exhaust
• Valve Seat Material - Ductile iron
• Steam Holes Drilled - No
• Oiling Style - Through pushrod
• Machined for O-Ring - No
• Heat Crossover - No