4150/4160/4500 Carburetors Vacuum Secondary Diaphragm Spring Kit Holley HO20-13
Holley
Part No. HO20-13
Regular price
$76.35 AUD
Regular price
Sale price
$76.35 AUD
Taxes included.
Shipping calculated at checkout.
SKU:HO20-13
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Product Information
These Holley vacuum secondary spring kits are designed to fine-tune your carburetor. They have an effect on initial operating and full upper rpm & allows changing the rate of the seondary operating ranges, kit consists of seven different colour coded springs of various rates
