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Dart Pro 1 Aluminum Ford SB Head
Standard valve angle and spacing is retained for bolt-on compatibility. Exhaust runners are raised .135" for improved flow. As-cast heads are bowl blended. Other features include bronze guides and hardened exhaust seats. Four intake runners sizes cover applications from street performance to serious racing.
Assembled with stainless steel valves, performance springs, 10 degree chrome moly retainers and machined locks, rocker studs and guide plates.
Part Type: Cylinder Head
Application: Ford Small Block (289-351W)
Cylinder Head Material: Aluminum
Bare or Assembled: Assembled
Combustion Chamber Size: 58cc
CNC Machined Combustion Chambers: No
Intake Valve Angle: 20
Exhaust Valve Angle: 20
Intake Port Volume: 195cc
CNC Machined Intake Port: No
Intake Port Flow: 288 cfm @ .700" lift /28"
Intake Port Location: Standard
Intake Port Shape: Rectangular
Intake Port Dimensions: 2.000" x 1.125"
Suggested Intake Gaskets: Fel-Pro 1262 or Equivalent
Exhaust Port Volume: 65cc
CNC Machined Exhaust Port: No
Exhaust Port Flow: 185 cfm @ .700" lift /28"
Exhaust Port Location: Raised .135"
Exhaust Port Shape: Square
Exhaust Port Dimensions: 1.350" x 1.350"
Suggested Exhaust Gaskets: Fel-Pro 1487
Suggested Spark Plug: .750" reach
Valve Guides: Manganese bronze
Valve Guide Spacing: 1.876" moved .055" from stock
Valve Stem Diameter: 11/32" (.3415")
Valve Seats: Hardened ductile iron
Valve Job: Multi-Angle
Intake Valve Diameter: 2.020"
Intake Valve Included: Yes
Exhaust Valve Diameter: 1.600"
Exhaust Valve Included: Yes
Suggested Valve Length: Intake: 4.890", Exhaust: 5.035" (+.100") roller
Valve Spring Pockets: 1.550" O.D. (.050" deeper MAX)
Valve Springs Included: Yes, 1.437" Dual
Valve Spring Application: Hydraulic Roller/Mechanical Flat Tappet, .620" max lift
Valve Springs Retainers Included: Yes
Valve Locks Included: Yes (10 degree)
Valve Seals Included: Yes
Rocker Studs Included: Yes
Guide Plates Included: Yes
Valve Cover Mounting Style: Perimeter bolt
Steam Holes Drilled: No
Heat Crossover: No
Suggested Head Bolts: ARP 154-3603
Suggested Head Studs: ARP 154-4003
Suggested Stud Girdle: Jomar 1126
Head Bolt Torque with Oil: 7/16" bolts: 65 ft./lbs., 1/2" bolts: 100 ft./lbs.
Rocker Stud Torque with Oil: 45 ft./lbs.
Intake Bolt Torque with Oil: 18 ft./lbs.
Manufacturer: Dart Machinery
Manufacturer's Part Number: 13211112
Weight: 23 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Pair
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