Engine fitment: FPT NEF. The FPT parts catalogue lists this spring for more than 1,200 NEF variants, including F4AFE411A and F4AFE411B. Valve spring. Fits: CARRARO 100F, 100VL, LS P7040, LS P7040 CPS; CASE IH 4110 Clasic, 4110 ET, 4110 Profi, 4110 Profi CVT, 4120 Profi, 4120 Profi CVT, 4130 Profi, 4130 Profi CVT, 5088, 621D.