The Edelbrock Performer #21043 intake manifold is designed for street 262-400 c.i.d. Chevy V8's that have heads with canted center bolt holes, 1987-1995. Edelbrocks Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent throttle response. For 1987-95 stock aluminum heads use #2101. Will not fit Chevrolet Bowtie or LT1 heads. The Edelbrock Performer #21043 also features a durable black powder coated finish for long lasting protection and a distinctive look. For the ultimate "Made in USA" quality, every Edelbrock intake manifold is cast and machined in the USA.
Installation Notes:
• Recommended intake gasket: GM #10159409
• Manifold ht: A-3.50", B-4.60"
• Carb pad height: 4.05"
• Port exit dimensions: 1.14" x 1.88"
• 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.
• Choke plate #8901 included