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  7. Holley 4150, 4160, 4180 Secondary Diaphragm Spring Black 66-158
Holley 4150, 4160, 4180 Secondary Diaphragm Spring Black 66-158
Holley 4150, 4160, 4180 Secondary Diaphragm Spring Black 66-158

Holley 4150, 4160, 4180 Secondary Diaphragm Spring Black 66-158

Your Price: $5.95
Part Number: 66-158
Availability: In Stock
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Holley 4150, 4160 secondary pump diaphragm return spring.
Also one of several springs used on the Holley 4180 carburetors. We offer as assortment set for the 4180 carbs, S105
  • US Made
  • Engineered for the Holley 4150 & 4160 carburetor secondary pump diaphragm.
  • Returns the 4150 & 4160 secondary pump diaphragm back after stepping on the gas.
  • Bring your carburetor back to OE condition.

CARBURETOR:
  • Holley 4150, 4160
  • Holley 4180 (some)

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