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.
Stage 2 Assemblies Include: #3800 10 deg. moly retainers, #611-16 10 deg. valve locks, #98636 .650" lift springs, stainless one-piece chrome stem racing valves, guide plates, 7/16" ARP studs, and VTO seals.
Fully Assembled & Blueprinted
Part Type: Cylinder Head
Application: Chevrolet Small Block
Cylinder Head Material: Aluminum
Bare or Assembled: Assembled
Combustion Chamber Size: 64cc
CNC Machined Combustion Chambers: No
Intake Valve Angle: 23
Exhaust Valve Angle: 23
Intake Port Volume: 200cc
CNC Machined Intake Port: No
Intake Port Flow: 264 cfm @ .500” Lift / 28"
Intake Port Location: Standard
Intake Port Shape: Rectangular
Intake Port Dimensions: 1.195" x 2.095"
Suggested Intake Gaskets: Fel-Pro 1205 or Equivalent
Exhaust Port Volume: 75cc
CNC Machined Exhaust Port: No
Exhaust Port Flow: 180 cfm @ .600” Lift/ 28"
Exhaust Port Location: Standard
Exhaust Port Shape: Square
Exhaust Port Dimensions:
Suggested Exhaust Gaskets: Fel-Pro 1404 or Equivalent
Spark Plug Style: Straight
Suggested Spark Plug: .750" reach, 14mm hex
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: 2.020"
Intake Valve Included: Yes
Exhaust Valve Diameter: 1.600"
Exhaust Valve Included: Yes
Suggested Valve Length: 4.965"
Valve Spring Pockets: 1.550” (Can cut .030" deeper MAX.)
Valve Springs Included: Yes, 1.514" Dual with Damper
Valve Spring Application: Hydraulic/Mechanical Flat Tappet, 130lbs. Seat, 330lbs. Open, .650" Max Lift
Valve Springs Retainers Included: Yes
Valve Locks Included: Yes (10 Degree)
Valve Seals Included: Yes
Rocker Studs Included: Yes (7/16")
Guide Plates Included: Yes
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: 11320010P Assembled
Weight:
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Pair
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