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Dart Machinery Pro-1 Platinum Aluminum Chev SB Head
Sophisticated tooling and state-of-the-art casting technology produces a high flowing head at an unbeatable price. Extra thick decks, and high capacity water jackets for increased reliability. Hardened exhaust seats and bronze guides significantly extend head life. Accepts early and late model valve covers and accessories.
Part Type: Cylinder Head
Application: Chevrolet Small Block
Cylinder Head Material: Aluminum
Bare or Assembled: Bare
Combustion Chamber Size: 64cc
CNC Machined Combustion Chambers: No
Intake Valve Angle: 23
Exhaust Valve Angle: 23
Intake Port Volume: 230cc
CNC Machined Intake Port: No
Intake Port Flow: 308 cfm @ .700" Lift / 28"
Intake Port Location: Standard
Intake Port Shape: Rectangular
Intake Port Dimensions: 2.225" x 1.245"
Suggested Intake Gaskets: Fel-Pro 1206 or Equivalent
Exhaust Port Volume: 75cc
CNC Machined Exhaust Port: No
Exhaust Port Flow: 207 cfm @ .700" Lift/ 28"
Exhaust Port Location: Standard
Exhaust Port Shape: Square
Exhaust Port Dimensions: 1.370" x 1.430"
Suggested Exhaust Gaskets: Fel-Pro 1405 or Equivalent
Spark Plug Style: Angled
Suggested Spark Plug: .750" reach
Valve Guides: Yes
Valve Guide Spacing: 1.890" exhaust moved .030" from intake
Valve Stem Diameter: 11/32" (.3415")
Valve Seats: Yes
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: 5.035"
Valve Spring Pockets: 1.550" (Can cut .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: Center Bolt and Perimeter
Steam Holes Drilled: No
Heat Crossover: No
Suggested Head Bolts: ARP 134-3601 or Equivalent
Suggested Head Studs: ARP 134-4001 or Equivalent
Suggested Stud Girdle: Power Products 43100K, Howards Cams 90100, Jomar 1104
Head Bolt Torque with Oil: 70 ft./lbs.
Rocker Stud Torque with Oil: 45 ft./lbs.
Intake Bolt Torque with Oil: 35 ft./lbs.
Manufacturer: Dart Machinery
Manufacturer's Part Number: 11710040P
Weight: 23 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Each
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