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  7. Holley 1904 Pump Operating Spring - 66-437
Holley 1904 Pump Operating Spring - 66-437
Holley 1904 Pump Operating Spring - 66-437

Holley 1904 Pump Operating Spring - 66-437

1 Review(s)
Your Price: $3.95
Overall length: 1 1/4" (1.25") OD: 1/4" (.25") ID: .20"
Part Number: 66-437
Availability: In Stock
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Holley 1904, 1 barrel carburetor pump operating spring. See #41 in the illustration. These are custom made in the US. This spring goes over the pump stem and then the sleeve goes over the spring.
SPECS:
  • Overall length: 1 1/4" (1.25")
  • OD: 1/4" (.25")
  • ID: .20"


1904 Diaphragm Spring

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