One (1) basic O-Ring seal kit, for Crosman model 150 157 160 167 CO2 Guns.
Six (6) seals are included in this kit:
One (1) tube cap o-ring seal.
One (1) piercing body (front) o-ring seal.
One (1) exhaust valve o-ring seal.
One (1) bolt o-ring seal.
One (1) transfer port seal
One (1) extra bolt o-ring seal.
Important Information: Both .177 & .22 bolts (on the 4 guns listed above) use the same size (Crosman #130-033) o-ring seals, this is easy enough to verify by looking at the part numbers on original EVPs, and by comparing the dept and width of the 0-ring grooves on original bolts.
To help you decide if my kit, and a DIY seal installation is right for you, you can first down load, browse, file, and even print the service information for free. No purchase necessary! Simply Google " Crosman Factory Service Manual ". The PDF will have the exploded views (EVPs), part numbers, and service information for vintage Crosman models.