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Instruction Sheets for Part Number HLY-20-59
Holley Vacuum Secondary Carburetor Accessories
Quick Change Covers, Vacuum Diaphragm Spring, Plastic, Black, Holley, Each
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Estimated Ship Date: Monday 10/19/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
20-59
Part Type:
Product Line:
Summit Racing Part Number:
HLY-20-59
UPC:
090127036235
Vacuum Secondary Cover Material:
Plastic
Vacuum Secondary Cover Color:
Black
Quantity:
Sold individually.
Holley Vacuum Secondary Carburetor Accessories
Holley offers vacuum secondary carburetor accessories that can be used as replacements or for use in upgrading your present carburetor. From diaphragms to spring kits, covers to quick-change kits and more, Holley has the part accessories you need to keep your carburetor at peak performance.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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