• Approved for Use in NASCAR Competition
• Precision Fit for Increased Capacity
• Light Aramid Bladder for Max. Volume
• 3-Ply Construction, Coated In & Out
• Cross Drilled Nut-Ring, Safe & Light
• Road & Circle Track Surge Tank Options
• SF112 Large Pore Foam Optional
• Billet Fill Valve, “Bullet” or Ball Vent