ROCKER ARM KITS. Engine fitment, sale units and available shipping weights are subject to verification.Elgin ROCKER ARM KITS Elgin RK-650MSKU: Elgin RK-650M$51.75PriceOut of StockMANUFACTUREElginAVAILABLITYPlease contact Engine Builders Warehouse to confirm availability and lead time.YMM / FitmentFK420: INTERNATIONAL DIESEL; FK445: INDIRECT INJECTION. NON TURBO. VIN M ONLY. OPTIONAL PISTONS AVAILABLEHUB AVAILABLITYON HAND: Call (HUB snapshot; not live)MANFACTURE DISCRIPTIONROCKER ARM KITSEngine CodeF-6.9IDI | FK420; F-7.3 IDI | FK445