PARTS UNLIMITED Inner Tube - Standard - 18" - TR-4 B20062

If you're running serious track time or depend on your vehicle for competition, air pressure retention is non-negotiable. PARTS UNLIMITED's 100% butyl inner tubes eliminate the gradual pressure loss that comes with blended rubber compounds, keeping your tire pressures stable lap after lap. Built with genuine butyl polymer rather than cost-cutting rubber blends, these tubes deliver the consistency professional racers and dedicated enthusiasts demand.

Each tube arrives individually boxed with clear valve stem and size markings, so you know exactly what you're installing. Whether you're prepping for a race weekend or maintaining critical equipment, real butyl construction means fewer pressure checks and more time performing.

• 100% butyl polymer
• 18" wheel size
• TR-4 valve stem
• Minimizes natural air leakage
• Extended pressure retention
• Individually boxed
• MPN: 0350-0342
• Standard fitment