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Another great vintage listing from Falcon Classic! This listing is for a BEST Gasket rubber rear main seal set for 1955-58 Chevrolet 265ci and 283ci small block V-8 engines; replaces rope seal. P/N 3711X.
Ever since the big gasket manufacturers discontinued using asbestos in the 1990's, rope rear main seals have been a huge problem to the vintage car enthusiast. The non-asbestos rope seals available from the big boys are next to impossible to trim and do a poor job of sealing. BEST Gasket has developed rubber rear main seals for some engines where only rope seals were previously available.
BEST Gasket is the leading name in sealing performance in the restoration industry. Image shown is an actual factory supplied picture.
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