Edelbrock part #3701 Performer EGR intake manifold is designed for street 1955-86 small-block Chevys. This manifold accepts late-model choke, water neck, air-conditioning, alternator and H.E.I. Has provisions to add oil fill tube. Not for 1987 and later cast iron or Chevy Bowtie heads. Will fit 1987 and later stock aluminum heads.
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
Manifold ht: A-3.50", B-4.60"; Carb pad height: 4.05"; Carb recommendations: OEM 4-Bbl, use choke rod #9171. Edelbrock AVS2 or Performer Series 500-650 cfm. Use bracket #8031 or #8036 for 1972-78; Port exit dimensions: 1.14" x 1.88"; Recommended intake gasket: Edelbrock #7201. Use RTV sealant to properly seal end seals, such as Edelbrock High Temp Silicone sealant #1076, DO NOT USE END SEALS GASKETS. Sealant must be used on intake bolt threads if the threads extend into lifter valley or coolant passage. NPT/Pipe thread fittings require the use of Teflon tape or paste on threads to ensure proper seal. DO NOT OVERTIGHTEN NPT/Pipe fittings, this may cause the aluminum to crack around the fitting boss. NPT/Pipe thread is a tapered thread. Hardened washers Must be used with intake bolts to ensure proper torque and prevent galling of the aluminum. Edelbrock Choke plate #8901 included. See Edelbrock adapter #8035 for clamp-on EGR valve. With Edelbrock carb #1400 & #3701, EGR spacer #1476 is required. Edelbrock #1476 is required with #3701 on center bolt heads with 1986 & earlier bolt pattern. Edelbrock choke plate #8901 included. Even though manifolds are compatible with EGR systems, this does not mean they are legal for use on emissions controlled vehicles. Check local laws for legality. Proper installation is the responsibility of the installer. Improper installation will void your warranty and may result in poor performance and engine or vehicle damage.