James Gaskets Sportster Gasket Kit - TOP END Sportstr W/ Metal RKR Base KIT 170… — Harley-Davidson (1972-2026)

James Gaskets Sportster top-end gasket kit with metal rocker base, engineered for V-twin engines. Complete set of OEM-specification seals and gaskets made in the USA for reliable leak-free assembly.

Features

• Made in the U.S.A.
• Metal rocker box base gasket included
• Top-end gasket kit configuration
• OEM-specification materials

Specifications

• Brand: James Gaskets
• Manufacturer Part #: 17030-04-X
• Length: 6.95 in
• Width: 9.5 in
• Height: 0.75 in
• Weight: 0.318 lbs

Fitment

Fits V-twin motorcycle engines requiring top-end gasket service with a metal rocker box base.

Frequently Asked Questions

What's included in this kit?

Complete top-end gasket set including cylinder head, rocker cover, and metal rocker box base gaskets.

Is this a genuine OEM part?

James Gaskets manufactures these to OEM specifications as a complete replacement set for top-end service.

Do I need any other gaskets for a full engine rebuild?

This is a top-end kit. For a complete engine rebuild, you'll also need bottom-end gaskets and seals separately.

Is installation difficult?

Gasket replacement requires standard hand tools and mechanical experience. Torque specs vary by engine — consult your service manual.