Stens 170-134 Tube / 5.70x5.00-8 Replaces: Carlisle: 320450 Stem Angle Type: Straight/TR13 Tube Size: 5.70x5.00-8 Manufactured by one of the world's largest tube manufacturers under ISO 9001 certification Individually pre-aired and inspected utilizing advanced technology to ensure conformance to JIS (Japanese Industrial Standards) specifications Higher percentage of butyl rubber for greater elasticity, insulation, air tightness and resistant to high/low temperatures Advanced extrusion technology ensures consistency and eliminates thin walling problems common with other tubes