M-6710-A50** 5.0L Designed for use with smooth rail oil pans. One-piece design, rubber bonded on steel reinforcement. Fits 1983-01 block/oil pans with dipstick in the block. M-6710-A351** 351/5.8L Designed for use with smooth rail oil pans. One-piece design, rubber bonded on steel reinforcement. M-6710-B351** 351/5.8L Designed for use with ribbed rail oil pans. One-piece design, flexible rubber. M-6710-A460** 429/460 Designed for use with smooth rail oil pans. One-piece design, rubber bonded on steel reinforcement. M-6710-B460** 429/460 Designed for use with ribbed rail oil pans. One-piece design, flexible rubber.
