Holley Vacuum Secondary Spring Kits 20-13
Brand:
HOLLEY
Manufacturer's Part Number:
20-13
Part Type:
Carburettor vacuum, secondary Springs
Vacuum Secondary Spring Material:
Steel
Quantity:
Sold as a set of 7.
Holley Vacuum Secondary Spring Kits
These Holley vacuum secondary spring kits are designed to fine-tune your carburetor. They have an effect on initial operating and full upper rpm.