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Dart Machinery Iron Eagle S/S Cast Iron Chev SB Head
Features high velocity 165cc ports, integral guides, and heat crossovers. Perfect for stock replacement, mild street performance and towing applications. Accepts all factory accessories. Assemblies are ready to bolt-on heads with 1.940"/1.500" stainless valves, performance valve springs, steel retainers, locks, umbrella seals and screw-in studs.
Part Type: Cylinder Head
Application: Chevrolet Small Block
Cylinder Head Material: Cast Iron
Bare or Assembled: Bare
Combustion Chamber Size: 76cc
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 (Late Model Intake Pattern)
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 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: Yes
Valve Job: Multi-Angle
Intake Valve Diameter: 1.940"
Intake Valve Included: Yes
Exhaust Valve Diameter: 1.500"
Exhaust Valve Included: Yes
Suggested Valve Length: 4.890"
Valve Spring Pockets: 1.250" & 1.550” OD (.030" deeper max)
Valve Springs Included: Yes
Valve Spring Application: Flat Tappet, 120lbs. Seat, 300lbs. Open, .510" Max Lift
Valve Springs Retainers Included: Yes
Valve Locks Included: Yes (7 Degeree)
Valve Seals Included: Yes (Umbrella)
Rocker Studs Included: Yes (3/8")
Guide Plates Included: Yes
Valve Cover Mounting Style: Center Bolt
Steam Holes Drilled: No
Heat Crossover: Yes
Suggested Head Bolts: ARP 134-3601
Suggested Head Studs: ARP 234-4109
Suggested Stud Girdle: Power Products 43100K (3/8"), Howards Cams HC90100 (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 Machinery
Manufacturer's Part Number: 10024364 Assembled
Weight: 48lbs. Each
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold as Pair
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