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 Vortec Small Block Cylinder Head Material: Superior Cast Iron Alloy Bare or Assembled: Assembled Combustion Chamber Size: 67cc (Vortec) 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: Stock 96-99 Vortec Intake Face (Must Use Vortec Style Manifold) Intake Port Shape: Rectangular Intake Port Dimensions: 1.090w x 1.975t Suggested Intake Gaskets: Fel-Pro 1255 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: 1.340w x 1.360t 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: No (Use Screw-In w/Integral Nut) Valve Cover Mounting Style: Center Bolt Steam Holes Drilled: No Heat Crossover: No Suggested Head Bolts: ARP 134-3601 Suggested Head Studs: ARP 134-4001c 234-4301 or 234-4601, Milodon 80115 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 |