Gaskets Top End & Rocker – Evo – Quality Customs

James Gaskets Inc Push Rod Tube O’Ring Kit. Fits Big Twin 1984-1999 & Sportster 1986-1990.

Thu, 09 Apr 2026 17:27:25 +0000

Features & Benefits:-

* Replaces OEM # 11133

* Sold as a Kit.

Proudly Made in the USA by James Gaskets !

Cometic Gaskets Top End Gasket Kit. Fits Evolution Big Twin 1992-1999.

Thu, 09 Apr 2026 17:17:35 +0000

* Replaces OEM # 17040-92

Cometic Gaskets Top End Gasket Kit. Fits Big Twin 1984-1991 with Evo Engine.

Thu, 09 Apr 2026 17:17:35 +0000

* Replaces OEM # 17033-83A

James Gaskets Inc MLS Cylinder Head & Base Gasket Kit. Fits Big Twin 1984-1999 with Evo Engine.

Thu, 09 Apr 2026 17:17:12 +0000

Features & Benefits:-

* Includes 2 x MLS Head Gaskets & 2 x RCM Cylinder Base Gaskets.

* Replaces OEM # 16770-84B

* Sold as a Pair.

* 0.040in. Head Gasket Final Crush.

* 0.020in. Base Gasket Final Crush.

* Multi-Layered Steel (MLS) is used in Head Gasket Applications. Layers of Steel Uniquely Designed & Riveted together for a High Performance Seal.

* Rubber Covered Metal (RCM) is used in a variety of Applications. It’s Steel Core is Coated on Both Sideswith a Thin Rubber Layer for Exceptional Sealing & Torque Retention.

Proudly Made in the USA by James Gaskets !

Cometic Gaskets Top End Gasket Kit with 0.030in. MLS Head Gaskets. Fits Evolution Big Twin 1992-1999.

Wed, 08 Apr 2026 17:15:38 +0000

Tech Tips:-

* MLS 0.030in. thick Head Gaskets (thinner than OEM)

* Provides an additional increase in compression.

* Remember to check your clearances.

Warning : Use of these head gaskets without proper clearance checks can lead to catastrophic engine failure

Cometic Gaskets Rocker Cover Gasket Kit. Fits Big Twin 1992-1999 with Evo Engine.

Wed, 08 Apr 2026 17:15:32 +0000

James Gaskets Inc Rocker Cover Gasket Kit. Fits Evolution Big Twin 1992-1999.

Wed, 01 Apr 2026 17:16:08 +0000

Features & Benefits:-

* RCM Rocker Base Gasket.

* Rubber Rocker Cover Gasket.

* Includes all Seals & O’Rings for Rocker Cover Installation.

* Sold as a Kit.

Tech Tips:-

* Rubber Covered Metal (RCM) is used in a variety of Applications. It’s Steel Core is Coated on Both Sides with a Thin Rubber Layer for Exceptional Sealing & Torque Retention.

* Rubber Moulded Coating on Steel.

Proudly Made in the USA by James Gaskets !

Cometic Gaskets 0.040in. Thick Cylinder Head Gaskets. Fits Evo Big Twin 1984-1999 or S&S with 4in. Cylinders.

Sun, 29 Mar 2026 17:16:50 +0000

Harley-Davidson Evolution Big Twin, S&S 4.000in. MLS Head Gaskets. Comprised of multiple embossed layers of stainless steel with the outer layers utilizing a viton rubber coating.Compressed operating thickness is .040in..Pair

James Gaskets Inc Rocker Cover Base Gaskets. Fits Big Twin 1984-1999 & Sportster 1986-2021.

Thu, 26 Mar 2026 17:14:27 +0000

Features & Benefits:-

* RCM Gaskets with Bead.

* Replaces OEM # 16800-84A

* Sold as a Pair.

Tech Tips:-

* Rubber Covered Metal (RCM) is used in a variety of Applications. It’s Steel Core is Coated on Both Sides with a Thin Rubber Layer for Exceptional Sealing & Torque Retention.

* Elastomer Bead applied to Areas of the Gasket to improve Sealing. Varies between Silicone & Nitrile Depending on the Application.

Proudly Made in the USA by James Gaskets !

James Gaskets Inc MLS Top End Gasket Kit. Fits Evolution Big Twin 1984-1991.

Tue, 24 Mar 2026 17:15:42 +0000

Features & Benefits:-

* MLS 0.040in. Head Gasket.

* RCM Cylinder Base Gasket.

* RCM Rocker Cover Base Gasket.

* Rubber Rocker Cover Gasket.

* Includes all Gaskets, O’Rings & Seals to Re-Buld a Top End.

* Replaces OEM # 17033-83A

* Sold as a Kit.

Tech Tips:-

* Multi-Layered Steel (MLS) is used in Head Gasket Applications. Layers of Steel Uniquely Designed & Riveted together for a High Performance Seal.

* Multi-Layered Steel (MLS) is usedin Head Gasket Applications. Layers of Steel Uniquely Designed & Riveted together for a High Performance Seal.

* Rubber Moulded Coating on Steel.

Proudly Made in the USA by James Gaskets !