Duramax Billet Coolant Block Off Plate (2001-2017)


Replacing your factory glass is simple with these custom Fleece Performance Lexan Windows by SHIELDS®. They are available in 1/8" (side and rear windows) and 3/16" (Windshield) thicknesses for competition applications. The proprietary UV, and Abrasion Resistant surface coating on SHIELDS ® SUPERCOATED ™  polycarbonate significantly improves performance.

-Only for sale directly through Fleece Performance Engineering

Note: The Lexan Windows are by default Stock cut to accommodate factory trim.


-Care & Maintenance Instructions

Prop 65WARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov 

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