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  6. Holley 4 Barrel 30CC Heavy Diaphragm Spring 66-150
Holley 4 Barrel 30CC Heavy Diaphragm Spring 66-150
Holley 4 Barrel 30CC Heavy Diaphragm Spring 66-150

Holley 4 Barrel 30CC Heavy Diaphragm Spring 66-150

Your Price: $4.95
30CC Heavy
Part Number: 66-150
Availability: In Stock
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30CC heavy diaphragm return spring for some Holley carburetors.

CARBURETOR:
Holley 2300, 2380 (some use light spring 66-149)
Holley 4010, 4011
Holley 4150, 4160
Holley 4165, 4175
Holley 4180, 4190

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