Description
Air pressure retention is critical for consistent tire performance, especially during extended track sessions or long rides where gradual air loss compounds handling issues. PARTS UNLIMITED’s real butyl tubes eliminate the air leakage problem common with blended butyl alternatives, keeping your tire pressure stable lap after lap. Built from 100% butyl polymer—not blended with natural rubber—these tubes deliver measurable advantages in pressure retention and reliability when precision matters.
Each tube arrives individually boxed with clear size and valve stem markings, making fitment verification straightforward before installation.
- 100% butyl construction
- Minimized air leakage
- Extended pressure retention
- Size: 130/90-15 | 140/80-15
- Valve stem: TR-4
- MPN: 0350-0325
- Individually boxed
- Clear size markings
- Bolt-in ready
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