Edelbrock E-Street Chev SB Aluminum Heads Manufactured in the USA by Eledbrock, these heads feature A356 aluminum castings that are heat treated to T-6 spec, for superior casting strength and quality. Their modern combustion chamber designs improve the combustion process and feature larger than stock intake and exhaust ports. Assemblies Include: Manganese bronze valve guides, powder metal interlocking valve seats, stainless steel one-piece valves with hardened tips, 1.460" diameter valve springs, 3/8" screw-in studs and guide plates.
Part Type: Cylinder Head Application: Chevrolet Small Block Cylinder Head Material: A356 Aluminum Bare or Assembled: Assembled Combustion Chamber Size: 70cc CNC Machined Combustion Chambers: No Intake Valve Angle: 23 Exhaust Valve Angle: 23 Intake Port Volume: 185cc CNC Machined Intake Port: No Intake Port Flow: 249 cfm @ .600" Lift / 28" Intake Port Location: Standard Intake Port Shape: Rectangular Intake Port Dimensions: Suggested Intake Gaskets: Fel-Pro 1205 or Equivalent Exhaust Port Volume: 60cc CNC Machined Exhaust Port: No Exhaust Port Flow: 168 cfm @ .600" Lift/ 28" Exhaust Port Location: Standard Exhaust Port Shape: D-Shape Exhaust Port Dimensions: Suggested Exhaust Gaskets: Fel-Pro 1404 or Equivalent Spark Plug Style: Straight Suggested Spark Plug: 14mm x .750" reach Valve Guides: Yes Valve Guide Spacing: Valve Stem Diameter: 11/32" (.3415") Valve Seats: Yes Valve Job: 3-Angle Intake Valve Diameter: 2.020" Intake Valve Included: Yes Exhaust Valve Diameter: 1.600" Exhaust Valve Included: Yes Suggested Valve Length: Valve Spring Pockets: Valve Springs Included: Yes, 1.460" Single with Damper Valve Spring Application: Hydraulic Flat Tappet, 125lbs. Seat, 320lbs. Open, .550" Max Lift Valve Springs Retainers Included: Yes Valve Locks Included: Yes (7 Degree) Valve Seals Included: Yes Rocker Studs Included: Yes (3/8") Guide Plates Included: Yes Valve Cover Mounting Style: Perimeter Steam Holes Drilled: No Heat Crossover: No Suggested Head Bolts: Suggested Head Studs: Suggested Stud Girdle: Power Products 43100K, Howards Cams 90100, Jomar 1104 Head Bolt Torque with Oil: 65 ft./lbs. Rocker Stud Torque with Oil: 45 ft./lbs. Intake Bolt Torque with Oil: Manufacturer: Edelbrock Manufacturer's Part Number: 5073 Weight: 60 lbs. Warranty: Race Application, No warranty expressed or implied Quantity: Sold as Pair |