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Dart Machinery Iron Eagle S/S Cast Iron Chevrolet SB Heads
Features high velocity 165cc ports, integral guides, and heat crossovers. Perfect for stock replacement, mild street performance and towing applications. Accepts all factory accessories.
Part Type: Cylinder Head
Application: Chevrolet Small Block
Cylinder Head Material: Cast Iron
Bare or Assembled: Bare
Combustion Chamber Size: 72cc
CNC Machined Combustion Chambers: No
Intake Valve Angle: 23
Exhaust Valve Angle: 23
Intake Port Volume: 165cc
CNC Machined Intake Port: No
Intake Port Flow: 232 cfm @ .500" Lift / 28"
Intake Port Location: Standard
Intake Port Shape: Rectangular
Intake Port Dimensions: 1.090"w x 1.975"t
Suggested Intake Gaskets: Fel-Pro 1204 or Equivalent
Exhaust Port Volume: 65cc
CNC Machined Exhaust Port: No
Exhaust Port Flow: 138 cfm @ .500" Lift/ 28"
Exhaust Port Location: Standard
Exhaust Port Shape: Square
Exhaust Port Dimensions: 1.340"w x 1.360"t
Suggested Exhaust Gaskets: Fel-Pro 1404 or 1405 or Equivalent
Spark Plug Style: Straight
Suggested Spark Plug: Tapered Seat, .460" Reach 5/8" Hex
Valve Guides: Yes (Integral Iron)
Valve Guide Spacing: 1.890" moved .030" from stock
Valve Stem Diameter: 11/32" (.3415")
Valve Seats: No
Valve Job: Multi-Angle
Intake Valve Diameter: 1.940"
Intake Valve Included: No
Exhaust Valve Diameter: 1.500"
Exhaust Valve Included: No
Suggested Valve Length: 4.890"
Valve Spring Pockets: 1.250" & 1.550" OD (.030" deeper max.)
Valve Springs Included: No
Valve Spring Application
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: Yes
Suggested Head Bolts: ARP 134-3601 or Equivalent
Suggested Head Studs: ARP 234-4109
Suggested Stud Girdle: Power Products 43100K (3/8"), Howards Cams HC9100 (3/8") or Jomar 1104
Head Bolt Torque with Oil: 70ft/lbs.
Rocker Stud Torque with Oil: 45ft/lbs.
Intake Bolt Torque with Oil: 35ft/lbs.
Manufacturer: Dart
Manufacturer's Part Number: 10021070
Weight: 48lbs. Each
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Each
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