Interchange Part Number 31170RAAA01, 31170RAAA02, 38278 89321. Belt Type Serpentine. Number of Pulley 1. Pulley Width 37 (MM). Gasket Set Kit Head Gaskets For LS1/LS6/LQ4/LQ9/4.8/5.3/5.7/6.0L GEN III New.
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