Manley Performance Spring Kit CUP-ID 1.311 LT4 EXH Part # 42161-8Manley Performance Spring Kit CUP-ID 1.311 LT4 EXH Part # 42161-8SKU: Manley 42161-8$43.81PriceOut of StockMANUFACTUREManley PerformanceAVAILABLITYShips From Manley PerformanceYMM / FITTMENTENGINE INFOMANFACTURE DISCRIPTIONSpring Kit CUP-ID 1.311 LT4 EXH