KM 4BT 4 Cylinder Billet Valve Cover (032513-1) for Cummins 4BT 8 Valve

$472.45

The KM 4BT Billet Valve Cover 032513-1 is a one-piece billet aluminum upgrade for Cummins 4BT 8-valve engines. With a 3.25″ height, the KM 4BT Billet Valve Cover 032513-1 clears most aftermarket studs and adds valvetrain stability by helping support rocker pedestals under higher spring pressure and RPM. Sealed with individual O-rings and engraved on top, the KM 4BT Billet Valve Cover 032513-1 delivers strength, clearance, and a clean billet finish for serious 4BT builds.

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Description

KM 4BT Billet Valve Cover 032513-1

Upgrade your engine bay with the KM 4BT Billet Valve Cover 032513-1, a one-piece billet aluminum valve cover designed specifically for Cummins 4BT 8-valve engines. Built for strength, clearance, and high-performance stability, this cover goes far beyond a cosmetic upgrade.

Precision-machined from billet aluminum, the KM 4BT Billet Valve Cover 032513-1 is engineered to accommodate aftermarket injection lines that run either over the top or around the front and rear of the cover. If you are running stock injection lines, a notched version is also available. Be sure to confirm configuration before ordering.

Designed for Performance 4BT Builds

With a total height of 3.25 inches, this billet valve cover clears most aftermarket head studs and sits taller than stock covers. The added rigidity also allows the cover to act as a girdle for the rocker pedestals, helping stabilize valvetrain components when running higher spring pressures and increased RPM.

This makes the KM 4BT Billet Valve Cover 032513-1 an excellent choice for performance-driven builds where durability and valvetrain control matter.

Billet Construction with Custom Options

Each cover is sealed to the head using individual O-rings for consistent sealing and simplified installation. The top is engraved with the Keating Machine logo for a clean, professional appearance.

Customization options are available:

  • Request no engraving

  • Request custom engraving

  • Add a -12AN breather port to the top

Contact prior to ordering for engraving changes or breather port additions.

Key Features

  • Fits Cummins 4BT 8-valve engines

  • One-piece billet aluminum construction

  • 3.25″ total height clears most aftermarket studs

  • Stabilizes rocker pedestals under high spring pressure

  • Designed for aftermarket injection line routing

  • Individual O-ring sealing system

  • Engraved Keating Machine logo

  • Part Number: 032513-1

  • In Stock

If you’re upgrading the top end of your 4BT, also browse our selection of Cummins engine components

Additional information
Weight 12 lbs
Features

Fits Cummins 4BT 8-valve engines

One-piece billet aluminum construction

3.25″ total height clears most aftermarket studs

Stabilizes rocker pedestals under high spring pressure

Designed for aftermarket injection line routing

Individual O-ring sealing system

Engraved Keating Machine logo

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About brand
Keating Machine provides precision machining services for diesel engines. The company focuses on accuracy, reliability, and long service life. Keating Machine supports daily-driven, towing, and performance diesel trucks. Keating Machine specializes in cylinder head work and engine machining. Their services help restore proper sealing and engine efficiency. This supports stronger performance and dependable operation under load. Diesel builders trust the shop for consistent results. Whether repairing stock components or preparing performance engines, their work delivers proven durability.
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