This GM WA8555 Black Basecoat With Reducer Gallon (Basecoat Only) Paint Kit includes the basecoat and reducer you need to lay down a smooth, even foundation before applying your clearcoat. Please note that this listing is for basecoat paint and reducer only — a clearcoat is required to complete the finish.
Auto Paint HQ’s OEM basecoat system uses advanced color-matching technology to deliver accurate OEM-style results with excellent coverage. The basecoat sprays smoothly, covers quickly, and mixes 1:1 with the included universal urethane reducer for a consistent, professional-grade application.
This product is intended for overall refinishing. Because various conditions can impact final color appearance, we cannot guarantee a precise color match for spot repairs or blending. If used for small repairs, please understand that no color-match claims are made.
Made in the USA.
What’s Included in the Gallon Kit
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One Gallon of Basecoat Color (GM WA8555 Black)
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One Gallon of Reducer (choose your preferred speed)
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Mix Sticks, Strainers, and Mixing Cups
The 1:1 mixing ratio produces 2 gallons of sprayable basecoat, giving you ample material for full-vehicle or large-panel refinishing.
Selecting the Right Reducer Speed
Choose reducer speed based on your spraying temperature:
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Fast: below 70°F
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Medium: 70–85°F
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Slow: above 85°F
Selecting the proper speed ensures smooth flow, even coverage, and optimal performance.
