Holley
Quick Change Secondary Spring Kit
SKU: H00E 20-59
Description
Part #: 20-59
Allows You To Change The Secondary Diaphragm Spring Without Disturbing The Diaphragm
Features:
- Cover-Diaphragm Housing (Quick Change)
- Expedites Changing Of Vacuum Spring.
Cover-Diaphragm Housing 1 x 4 bbl
Fitment
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Available on iOS & Android
Specifications
| Brand | Holley |
| Part Number | H00E 20-59 |
| Weight | 0.2 lb |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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