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DEI Hi‑Temp heat shrink tube, 18mm x 1.5 in, delivers a heat‑activated sleeve to seal spark plug wires to boots and create a water‑tight, weatherproof joint. The 3:1 shrink ratio lets these blue tubes also bundle wiring instead of tape or ties. Each pack contains twenty‑five 1.5 inch pieces in multiple colors and they install quickly with a heat gun. Do not use directly on exhaust components.
DEI Hi-Temp Shrink Tube 18mm x 1.5in - Blue
