ALL-90235 High quality .675" O.D. seals are compatible with stock diameter valve springs and require no machining for installation.
ALL-90244 Seals have spring loaded wipers for maximum oil control. Machining is required for most installations.
COM-C5385 FORD SBF 302 Rear Crank Seal
COM-C5689 FORD 351W 351C Rear Seal
FRP-M-6701-B351 One-piece seal to be used Ford Racing 351W blocks manufactured after 6/1/93