Discover the robust, American-made range of SDHQ products, where superior quality meets outstanding performance. Crafted at our headquarters, our gear is built to enhance your driving experience.
Features:

• 1/8 Inch NPT Threads
• 40 mm Diameter
• Available in three different pressure ranges, for use in Carburated or EFI applications
• PSI Range: 0-30 psi
• Liquid-filled for smoother movement
• Legible white indicators on a black background