The Edelbrock Performer 351W #21813 intake manifold is designed for street 351 c.i.d. Ford Windsor V8's. Will not fit Boss 351. Aftermarket 4-bbl carbs are not compatible with Ford Auto Overdrive Transmission (AOD) unless used with Lokar bracket SRK-4000. For more info call (865) 966-2269 or go to www.lokar.com. The Edelbrock Performer 351W #21813 intake manifold is a dual-plane, low-rise intake manifolds with a 180? firing order and patented runner design that you won't find in other brands. This patented design greatly improves torque over a wide rpm range for excellent throttle response, especially off-idle through the mid-range. This Performer intake manifold is ideal for passenger cars, trucks, 4x4s, tow vehicles and RVs. The Edelbrock Performer 351W #21813 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: Edelbrock #7220
• Manifold height: A-3.50", B-4.75"
• Carb pad height: 4.12"
• Port exit dimensions: 1.09" x 1.84"
• Use RTV sealant to properly seal end seals, such as Edelbrock High Temp Silicone sealant #1076, DO NOT USE END SEALS GASKETS.
• Hardened washers Must be used with intake bolts to ensure proper torque and prevent galling of the aluminum.