RMS-5 Vinyl rear main seal, GMC 270-302. Vinyl rear main seal made for Mopar product that can be made to work on GMC six bolt flange 270-302.
(intended for slant six)
Price: $15.00
RMS-6 Vinyl rear main seal for Slant six Mopar. Vinyl rear main seal for Dodge-Plymouth Slant Six. Also fits some Chrysler V8 engines,: 361, 382, 400, 413, 426, and 440. I don't know if it fits all models of the V8 engines. I do know it fits all models of the Slant Six.