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Holley Quickchange Vacuum Secondary Housing Cover 20-59
Holley Quickchange Vacuum Secondary Housing Cover 20-59
Holley Quickchange Vacuum Secondary Housing Cover 20-59
Holley Quickchange Vacuum Secondary Housing Cover 20-59
Holley Quickchange Vacuum Secondary Housing Cover 20-59
Holley Quickchange Vacuum Secondary Housing Cover 20-59
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Load image into Gallery viewer, Holley Quickchange Vacuum Secondary Housing Cover 20-59
Load image into Gallery viewer, Holley Quickchange Vacuum Secondary Housing Cover 20-59
Load image into Gallery viewer, Holley Quickchange Vacuum Secondary Housing Cover 20-59
Load image into Gallery viewer, Holley Quickchange Vacuum Secondary Housing Cover 20-59
Load image into Gallery viewer, Holley Quickchange Vacuum Secondary Housing Cover 20-59

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Holley Quickchange Vacuum Secondary Housing Cover 20-59

2 sold in last 8 hours
Holley
HOL-20-59
In stock
$55.00
Faster spring changes - Gives easier access to the vacuum secondary spring. Quick-change design - Reduces the time needed to tune the vacuum secondary system. 1 x 4 bbl application...
$55.00
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Holley Quickchange Vacuum Secondary Housing Cover 20-59
Description
  • Faster spring changes - Gives easier access to the vacuum secondary spring.
  • Quick-change design - Reduces the time needed to tune the vacuum secondary system.
  • 1 x 4 bbl application - Built for compatible vacuum secondary 4-barrel carburettors.

Holley 20-59 is a quickchange vacuum secondary housing cover for compatible 1 x 4 bbl carburettors. It makes vacuum secondary spring changes easier by providing access without removing the full housing assembly each time. This is a useful tuning upgrade for cars that need repeated secondary spring adjustment.

Fitment

  • Compatible vacuum secondary 1 x 4 bbl carburettor applications

Specifications

  • Part Number: 20-59
  • Brand: Holley
  • Product Type: Quickchange vacuum secondary housing cover
  • Application: Cover-diaphragm housing 1 x 4 bbl

Part 20-59 is a Holley quickchange vacuum secondary housing cover for compatible 1 x 4 bbl carburettors. This Holley vacuum secondary tuning part gives easier access to the spring for quicker adjustment changes.

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Shipping

We ship Australia-wide via Australia Post, with tracked shipping starting from $10.95. Orders are usually dispatched within 24–48 hours, with most deliveries arriving in 2–3 business days. Rural and remote areas may take up to 5 business days.

International shipping is available, with rates calculated at checkout. Local pickup is available from Echuca, VIC — please call ahead on 03 9989 9921 before visiting.

Returns

Returns and exchanges may be accepted within 30 days of receiving your order, provided items are in saleable condition, include original packaging and proof of purchase. Returns are assessed case by case.

Change-of-mind returns, incorrectly ordered items, clearance items and products damaged through misuse or wear and tear are not returnable. Please contact us before sending back any item, especially for warranty claims.

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