Manley Performance Spring Kit CUP-ID 1.290 LT4 EXH Part # 42165-8Manley Performance Spring Kit CUP-ID 1.290 LT4 EXH Part # 42165-8SKU: Manley 42165-8$43.81PriceOut of StockMANUFACTUREManley PerformanceAVAILABLITYShips From Manley PerformanceYMM / FITTMENTENGINE INFOMANFACTURE DISCRIPTIONSpring Kit CUP-ID 1.290 LT4 EXH