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Holley 34-9 Annular-style booster for Early NON HP 4500 carburetors
Holley 34-9 Annular-style booster for Early NON HP 4500 carburetors

Holley 34-9 Annular-style booster for Early NON HP 4500 carburetors

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Holley 34-9 Annular-style booster for Early NON HP 4500 carburetors
Holley 34-9 Annular-style booster for Early NON HP 4500 carburetors
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Part # 425349
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Important Messages:

  • This product is discontinued.
  • This item ships directly from the manufacturer. It may take an additional business days for Holley to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
  • This item 425349 is made to order. It will be shipped from our warehouse when it is produced.

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Annular-style booster. Used in early NON HP 4500 carbs. Includes 4 boosters and retaining pins.

Installation Instructions (PDF)

Some parts are not legal for use in California or other states with similar laws/regulations

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  • Now that Project Chevelle is making some real power, it's time to give it a little more fuel. Follow along as we install a new tank and pump from Tanks Inc.

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