HP VALVE SPRING. Engine fitment, sale units and available shipping weights are subject to verification.SBI HP VALVE SPRING SBI 360-1021SKU: SBI 360-1021$10.96PriceOut of StockMANUFACTURESBIAVAILABLITYPlease contact Engine Builders Warehouse to confirm availability and lead time.YMM / Fitment2008-10 6.4L VIN R MAXX FORCE 7HUB AVAILABLITYON HAND: 32 (HUB snapshot; not live)MANFACTURE DISCRIPTIONHP VALVE SPRINGEngine CodeF-6.4 MAXX | FK391-MAXX