EXCHANGE REQUIRED. (NOT AVAILABLE WITHOUT EXCHANGE) COMPLETE Seal kit for Crosman model 160. This kit will fit all Crosman 160s. Those made in 1955 to early 1960s will use all the seals. Those made in the mid 1960s through end of production in 1971 will not use the CRS150-028 O-ring. CRS130-033, CRS130-036, CRS150-028, CRS150-054 (valve O-ring), CRS150-054U Cap O-ring, CRS160-065. Your exchange part is CRS160-065. CLICK HERE FOR MORE INFORMATION AND EXCHANGE INSTRUCTIONS.