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1/4" Thick Insulating Base Gasket 11/4" Thick Insulating Base Gasket 2


Fits:
Rochester Quadrajet carburetor
Holley 4010 carburetor
Holley 4360 carburetor

Insulating Spread Bore Base Gasket
4 Hole design, (Thickness: .250" )
Quantity: 1 gasket
Replaces Rochester OEM gasket # 1248516

1/4" thick gasket helps insulate carburetor from intake manifold heat and raises the carburetor to increase plenum volume. Raises the huge secondary throttle plates, relieving upper plenum restriction at full throttle, when used on a dual plane intake manifold.
Nylon buttons at mounting bolt locations prevent over tightening of gasket.

Originally used on the following Rochester carburetor numbers:
7045240, 7045541, 7045548, 17056240, 17056246, 17056540, 17056546, 17058241

Originally used on the following Edelbrock carburetor numbers:
1910
May also fit other applications.

Quantity:
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