Billet Proof® Brass Hex Sight Glass Gas Cap with 1-7/8

Build something different This gas cap not only looks great, but the sight window offers added functionality. Our Brass "Glass Cap" comes with everything you need to mount to your gas tank.

BULLET PROOF DESIGNS BILLET FUEL CAP

Billet Proof® Brass Hex Sight Glass Gas Cap with 1-7/8 Transparent Glass Window & Easy Install Weld-In Steel Stepped/Flanged Tophat Bung for Custom Gas Tank Applications (12GA_SIGHT_GLS_CAP)

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Billet Proof® Brass Hex Sight Glass Gas Cap with 1-7/8 Transparent Glass Window & Easy Install Weld-In Steel Stepped/Flanged Tophat Bung for Custom Gas Tank Applications (12GA_SIGHT_GLS_CAP)

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