Gaskets & Seals

S&S Cycle 90-4048 S&S Cycle 84-99 BT O-Ring Rocker Cover Gasket

S&S Cycle 84-99 BT O-Ring Rocker Cover Gasket84-99 Big Twin O-Ring Rocker Cover Gasket

S&S Cycle 90-4064 S&S Cycle 66-84 BT Graphite Rocker Cover Gasket - 10 Pack

S&S Cycle 66-84 BT Graphite Rocker Cover Gasket - 10 Pack66-84 Big Twin Graphite Rocker Cover Gasket10 Pack

S&S Cycle 90-4071 S&S Cycle 1999+ BT 4-1/8in Rocker Box Base Gasket

Two pack of rocker box base gaskets for use on S&S 4-1/8" bore engines with die cast rocker boxes. FitmentYear(s)MakeModel CodeModel1999-2028Harley-Davidson—Big Twin

S&S Cycle 90-4071-S S&S Cycle 1999+ BT Rocker Cover Bottom Gasket

Single rocker box base gasket for use on S&S 4-1/8" bore engines with die cast rocker boxes. One gasket required per cylinder, 2 pack available (90-4071) FitmentYear(s)MakeModel CodeModel1999-2028Harley-Davidson—Big Twin

S&S Cycle 90-4096-S S&S Cycle 1999+ BT Steel Rocker Cover Gasket

S&S Cycle 1999+ BT Steel Rocker Cover GasketSteel

S&S Cycle 90-4099 S&S Cycle 1999+ BT 4-1/8in Rocker Box Base Gasket - 10 Pack

S&S Cycle 1999+ BT 4-1/8in Rocker Box Base Gasket - 10 PackGraphite, 4-1/8"10 Pack

S&S Cycle 900-0338 S&S Cycle 84-04 BT .315in x .420in OD Valve Guide Seal

Valve Guide Seal Intake/Exhaust 1984–2004 bt and 1986–2003 xl Sportster® Models (18001-83B) FitmentYear(s)MakeModel CodeModel1984-2004Harley-Davidson—Big Twin1986-2003Harley-Davidson—xl

S&S Cycle 900-0530 S&S Cycle 84-99 BT .030in Head Gasket

S&S Cycle 84-99 BT .030in Head GasketHead/Base, w/ Hardware, 3-5/8".

S&S Cycle 900-0532 S&S Cycle 1986+ XL .030in Exhaust Head Gasket

S&S Cycle 1986+ XL .030in Exhaust Head Gasket.030", 3-1/2", MLS.

S&S Cycle 900-0538 S&S Cycle 84-99 BT Rocker Cover Bottom Gasket

S&S Cycle 84-99 BT Rocker Cover Bottom GasketSteel

S&S Cycle 900-0606 S&S Cycle 1999+ BT .045in Stock Bolt Pattern Head Gasket

Single multi-layered steel .045" thick head gasket for 3-7/8", 3.927" or 3.937" bore 1999-2017 big twin and T-series motors, including Twin Cooled motors. One gasket required per cylinder, 2 pack available...

S&S Cycle 900-0608 S&S Cycle 1999+ BT .045in 4-1/8in Stock Bolt Pattern Head Gasket

S&S Cycle 1999+ BT .045in 4-1/8in Stock Bolt Pattern Head GasketWith Twin Cooled™ Heads, .045", 4-1/8", Layered Steel.

S&S Cycle 900-0609 S&S Cycle 1999+ BT .030in 4-1/8in Head Gasket - 2 Pack

S&S Cycle 1999+ BT .030in 4-1/8in Head Gasket - 2 PackGasket, Head, Stock Bolt Pattern, w/Twin Cooled Heads, .030", 4-1/8", Layered Steel.

S&S Cycle 900-0737 S&S Cycle 84-04 BR Valve Guide Seal - 4 Pack

Valve Guide Seals 1984-2004 bt and 1986-2003 xl 4 Pack FitmentYear(s)MakeModel CodeModel1984-2004Harley-Davidson—Big Twin1986-2003Harley-Davidson—xl

S&S Cycle 900-0762 S&S Cycle 1999+ BT .045in Head Gasket Kit

S&S Cycle 1999+ BT .045in Head Gasket Kit4-3/8" Bolt Pattern, .045", 4.425", Layered Steel.