Trooper (4 Door) V6-3165cc 3.2L DOHC (6VD1) (1992)
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Install new spark plug tube, using Kent-Moore tool J-41730 and plastic-faced hammer (Figure 2).
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Measure spark plug tube height (Figure 3).
Spark Plug Tube Height:
64 mm +/- 0.5 mm
2.52 in +/- .02 in