Engine Upgrades
KM 4BT Billet Valve Cover – Notched for Stock Lines (032513-1N) fits Cummins w/stock lines
The KM 4BT Billet Valve Cover 032513-1N is a one-piece billet aluminum upgrade for Cummins 4BT 8-valve engines running stock injection lines. Notched for OEM line clearance, the KM 4BT Billet Valve Cover 032513-1N stands 3.25″ tall to clear most aftermarket studs and helps stabilize rocker pedestals under higher spring pressure. Sealed with individual O-rings, it delivers durability, proper fitment, and a clean billet appearance.
KM 4BT 4 Cylinder Billet Valve Cover (032513-1) for Cummins 4BT 8 Valve
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.
KM 4BT Individual Billet Valve Covers (082323-1NOF-Pkt) for Cummins Pocketed
The KM 4BT Billet Valve Covers 082323-1NOF-Pkt are precision-machined for Cummins 4BT 8-valve engines and built for both durability and style. This four-piece billet aluminum set features decorative pocket milling and includes one cover with an integrated oil fill hole and billet cap. With a 3.3″ total height, the KM 4BT Billet Valve Covers 082323-1NOF-Pkt clear most aftermarket head studs and seal to the head using individual O-rings. If you’re upgrading your 4BT, the KM 4BT Billet Valve Covers 082323-1NOF-Pkt deliver improved clearance and a clean, performance-driven appearance.
KM 12 Valve Billet Valve Cover-Notched for Stock Lines (123012-2N) for 1989-1993 First Gen Cummins 5.9L
Billet aluminum valve cover for 1989–1993 Cummins 5.9L 12-valve engines. Features a precision-machined notch for stock injection line clearance, integrated O-ring sealing, and a durable performance-ready design.
KM 12 Valve Billet Valve Cover (123012-1) for 1989-1998 Cummins 5.9L
Billet aluminum valve cover for 5.9L Cummins 12-valve engines. Designed for improved sealing, durability, and a clean performance appearance. Includes O-ring seal and stainless hardware.
KM 12 Valve Billet Valve Cover-Black Anodized-Notched for Stock Lines (123012-1N-Black) for 1989-1998 Cummins 5.9L
Black-anodized billet aluminum valve cover for 5.9L Cummins 12-valve engines. Features a precision-machined notch for stock injection line clearance, integrated O-ring sealing, and a premium corrosion-resistant finish.
KM 12 Valve Billet Timing Front Cover w/o 12AN Port (012510-1GN) for 1989-1993 Cummins 5.9L
Billet aluminum timing front cover for 1989–1993 first-generation 5.9L Cummins engines. Features a solid P-pump cover plate with no –12AN port, providing a sealed OEM-style setup with improved strength, precision, and durability.
KM 12 Valve Billet Timing Front Cover w/ 12AN Port (012510-1GN-12AN) for 1989-1993 Cummins 5.9L
Billet aluminum timing front cover for 1989–1993 first-generation 5.9L Cummins engines. Features a P-pump cover plate with an integrated –12AN port for upgraded crankcase ventilation or custom plumbing setups. Includes stainless hardware and block-off plate.
KM 12 Valve Billet Valve Cover fits Cummins Notched for Stock Lines (123012-1N) for 1989-1998 Cummins 5.9L
Billet aluminum valve cover for 5.9L Cummins 12-valve engines. Features precision machining, integrated O-ring sealing, and a notched design to clear factory injection lines for easy, bolt-on installation.
KM 12V Billet Valve Cover O-ring and Seal Kit (KM-Seal-Kit-5.9L-02) for 1989-2002 Cummins 5.9L
A service-ready sealing kit containing (6) M8 copper crush washers and (6) –158 O-rings. Ideal for maintaining fuel, oil, and mechanical components on 5.9L Cummins engines.
KM 12V and 24V Billet Tappet O-ring and Seal Kit (KM-Seal-Kit-5.9L) for 1989-2002 Cummins 5.9L
A complete sealing kit that includes 1/8″ O-ring cord, M8 copper crush washers, and -147 O-rings. Designed for rebuilding, resealing, or maintaining various Cummins components where durable, high-temperature sealing is required.
KM 12 Valve Billet Tappet Cover – Black Anodized (120510-2V2-Black) fits 1989-2002 Cummins 5.9L
Black-anodized billet aluminum tappet cover designed for 1989–2002 Cummins 5.9L 12-valve and P-pump 24-valve engines. Precision-machined with integrated baffling, improved valvetrain clearance, and an O-ring block seal for a clean, leak-free installation. Durable anodized finish provides added corrosion protection and a sleek appearance.
KM 12 Valve Billet Tappet Cover (120510-2V2) for 1989-2002 Cummins 5.9L
Precision CNC-machined billet tappet cover designed for 1989–2002 5.9L Cummins 12-valve and P-pump 24-valve engines. Features integrated baffling, enhanced roller rocker clearance, O-ring block seal and durable stainless hardware for a reliable, high-performance upgrade.
AEM X-Series Fluid Pressure Gauge (30-0301) For Universal Application
The AEM 30-0301 X-Series Pressure Gauge provides accurate fluid pressure readings. It features a digital display with LED indicators and PSI/BAR options. The 52mm design fits standard pods and installs easily. Includes CANbus and analog output for data logging.
