Gaskets & Seals

Base gaskets feature S&S Pro-Formance micropore compound proven to resist failure due to extrusion or blow out 4.125" bore size with stock bolt pattern 0.46mm thickness Made in the U.S.A. Compatible...

1984-1999 Big Twins and S&S V-Series Engines 4-1/8" Bore .043" Micropore Head Gasket .018" Micropore Base Gasket Includes manifold seals, dowel pins, exhaust gaskets, pushrod o-rings and valve guide seals for V-series Made in the U.S...

Base gaskets feature S&S Pro-Formance micropore compound proven to resist failure due to extrusion or blow out 4.125" bore size with S&S bolt pattern 0.46mm thickness Made in the U.S.A. Compatible...

Contain the best quality gaskets available 4.125" bore Made in the U.S.A.

4-1/8" Bore .043" Micropore Head Gasket .018" Micropore Base Gasket Includes manifold seals, dowel pins, exhaust gaskets, pushrod o-rings and valve guide seals for T-series Features a stock bolt pattern Made in the U.S.A.

Includes set of head and base gaskets, exhaust gaskets and O-rings 4-1/8" Bore .043" Multi-Layered Steel Head Gasket .018" Micropore Base Gasket Layered steel head gaskets Made in the U.S.A Kit does not include rocker box gaskets; must be...

Head gaskets are made from aramid fiber-reinforced premium graphite material with a steel core, stainless steel fire ring and anti-stick coating 4.125" bore 0.043" (1.09mm) thickness Made in the U.S.A. Compatible...

Head gaskets are made from aramid fiber-reinforced premium graphite material with a steel core, stainless steel fire ring and anti-stick coating 4.125" bore 1.09mm (0.043") thickness Made in the U.S.A. Compatible...

Complete Engine Rebuild Gasket Kit for V111 4-1/8" bore engines Made in the U.S.A. Compatible Vehicles YearsMakeModelNotes 1995-1997Harley-DavidsonBad Boy FXSTSB 1984Harley-DavidsonDisc Glide FXRDG 1994-1998Harley-DavidsonDyna Convertible...

Cam cover gasket for 2017 and later M8 motors OE# 25700370 Compatible Vehicles YearsMakeModelNotes 2018-2019Harley-DavidsonBreakout FXBR 107 2018-2020Harley-DavidsonBreakout FXBRS 114 2017Harley-DavidsonCVO Limited...

S&S engines for 1984-'99 chassis with larger than 3 13/16" bores are typically built using special crankcases such as S&S Special Application cases which have an offset right side gear cavity for more tappet guide to cylinder...

Replacement seal for EVO Big Twin and S&S 4-1/8 bore motors Compatible Vehicles YearsMakeModelNotes 1995-1997Harley-DavidsonBad Boy FXSTSB 1984Harley-DavidsonDisc Glide FXRDG 1994-1998Harley-DavidsonDyna Convertible...