Race-proven features and affordable pricing make these Dart Pro 1 355-T6 aluminum cylinder heads one of the biggest values in racing. They come 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.
Part Type: Cylinder Heads
Product Line: Dart Pro 1 Aluminum Cylinder Heads
Cylinder Head Style: Assembled
Cylinder Head Material: Aluminum
Cylinder Head Finish: Natural
Combustion Chamber Volume (cc): 121
CNC-Machined Combustion Chamber: Yes
Intake Runner Volume (cc): 355cc
Exhaust Runner Volume (cc): 138cc
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: Round
Exhaust Port Location: Raised
Intake Valves Included: Yes
Intake Valve Diameter (in):2.300 in.
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in):1.880 in.
Valve Springs Included: Yes
Maximum Valve Lift (in):0.900 in.
Outside Diameter of Outer Spring (in):1.650 in.
Damper Spring Included: No
Number of Springs Per Valve: Dual
Retainers Included: Yes
Retainer Material: Titanium
Locks Included: Yes
Lock Style: 10 degree
Valve Stem Seals Included: Yes
Valve Stem Seal Style: Positive stop
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:3/8 in.
Valve Cover Mounting Style: Perimeter bolt
Accessory Bolt Holes Drilled: Yes
Intake Valve Angle:24
Exhaust Valve Angle:15
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
Notes: Exhaust flange will accept stock-type gasket. Designed for solid roller camshafts.
Call 316-775-7771 to purchase.
WARNING: This product contains a chemical known to the State of California to cause cancer and reproductive harm. See https://www.p65warnings.ca.gov/ for details.
