ALTERNATIVE FUEL SYSTEMS, INC.

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GASKETS

For Carburetors and Fuel Pump Covers

When making repairs, reusing gaskets is not recommended.

FUEL PUMP COVER GASKETS  

CARBURETOR GASKETS

 

M438

Mitsubishi 4G33, Nissan A-12 For fuel pump cover M437

 M476

Later Continental 163 Cu.In. &  6Cyl., G.M.250, Nissan J-15 For fuel pump cover M472

 M524

Nissan H20, H30, A-15, TB42, Toyota 4P, 4Y For fuel pump cover M357

   M520

Mitsubishi 4 Bolt, Carburetor flange adapter M431 to intake manifold

 M603

Mitsubishi air horn gasket. 1/16" Thick Neoprene. Also fits AFS carburetor I173

 M744

Nissan H20-II / H25 Carburetor Flange adapter M1093, to governor & governor to intake manifold

 M836

Toyota 4Y carburetor flange adapter to intake manifold
       
 

 

     M632

Nissan TB42 Carburetor Flange  adapter M631, to intake manifold 

 M961

G.M. 4.3L flange adapter 1210, to intake manifold 

 M275

1-1/4" Carburetor flange to intake manifold. 3/16" Thick.

 G1-56

1-1/4" / 1- 1/2" Carburetor flange to intake manifold.  

If unsure of your carburetor flange size, the most accurate way to determine this is to measure the center to center distance between the carburetor mounting studs. The barrel diameter should not be measured as this dimension may vary with some manufacturers. The following chart shows the correct flange size based on mounting bolt spacing.

S.A.E. FLANGE

 GASKET  

BOLT SPACING
1/2" - 5/8" M183 1-13/16"
3/4" M159 2-1/4"
1" M159 2-3/8"
1-1/4" M181 2-11/16"
1-1/2" M182 2-15/16"
1-3/4"   3-5/16"
2"   3-9/16
2-1/2"   2-7/8"
3"   3-1/4"
3-1/2"   3-23/32"
4"   4-1/8"