James Gaskets Big Twin Rocker Box Assembly Gasket - Cover Lower Rubber Late 5/P… — Harley-Davidson (1992-1999)

James Gaskets Big Twin rocker box lower cover gasket in late-style rubber construction, engineered to seal the rocker box cover and prevent oil leakage on Harley Big Twin engines. Direct OEM replacement that restores the original seal without modification.

Features

• Late-style rubber construction
• Direct OEM replacement
• Big Twin rocker box assembly fit
• 0.65 in thickness

Specifications

• Brand: James Gaskets
• Manufacturer Part #: 17355-92
• Length: 9.5 in
• Width: 6.9 in
• Height: 0.65 in
• Weight: 0.146 lbs

Fitment

Fits Harley-Davidson Big Twin engines with late-style rocker box covers.

Frequently Asked Questions

Is this the same as the OEM Harley gasket?

Yes — James Gaskets manufactures this to OEM specifications as a direct replacement part.

What does this gasket seal?

The lower rocker box cover to the engine case, preventing oil seepage at that joint.

Will this fit Twin Cam and Milwaukee-Eight engines?

This is for Big Twin engines with late-style rocker boxes. Twin Cam and M8 models use different cover gaskets.

Do I need any special tools to install it?

Standard gasket scraper and a torque wrench are recommended. Always use new fasteners and follow Harley service manual torque specs.