|
Dart Pro 1 CNC Ported Aluminum Ford SB Head
Standard valve angle and spacing is retained for bolt-on compatibility. Exhaust runners are raised .135" for improved flow. Other features include bronze guides and hardened exhaust seats. Four intake runners sizes cover applications from street performance to serious racing.
Part Type: Cylinder Head
Application: Ford Small Block (289-351W)
Cylinder Head Material: Aluminum
Bare or Assembled: Bare
Combustion Chamber Size: 62cc
CNC Machined Combustion Chambers: Yes
Intake Valve Angle: 20
Exhaust Valve Angle: 20
Intake Port Volume: 225cc
CNC Machined Intake Port: Yes
Intake Port Flow: 325 cfm @ .700" lift /28"
Intake Port Location: Standard
Intake Port Shape: Rectangular
Intake Port Dimensions: 2.150" x 1.300"
Suggested Intake Gaskets: Fel-Pro 1262 or Equivalent
Exhaust Port Volume: 87cc
CNC Machined Exhaust Port: Yes
Exhaust Port Flow: 235 cfm @ .700" lift /28"
Exhaust Port Location: Raised .135"
Exhaust Port Shape: Square
Exhaust Port Dimensions: 1.420" x 1.420"
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: 2.080"
Intake Valve Included: No
Exhaust Valve Diameter: 1.600"
Exhaust Valve Included: No
Suggested Valve Length: Intake: 4.890", Exhaust: 5.035" (+.100")
Valve Spring Pockets: 1.550" O.D. (.030" deeper MAX)
Valve Springs Included: No
Valve Spring Application: NA
Valve Springs Retainers Included: No
Valve Locks Included: No
Valve Seals Included: No
Rocker Studs Included: No
Guide Plates Included: No
Valve Cover Mounting Style: Perimeter bolt
Steam Holes Drilled: No
Heat Crossover: No
Suggested Head Bolts: ARP 154-3603
Suggested Head Studs: ARP 154-4005
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: 13072040
Weight: 23 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Pair
|
