Introducing Jacobs valvetrain solutions...
Optimizing the engine and aftertreatment systems to improve emissions, fuel economy, and exhaust thermal management. Engineered solutions with Jacobs' legendary durability and reliability.

Jacobs’ Cylinder Deactivation (CDA) - Selectively disabling engine cylinders when power isn’t needed, to make larger displacement engines work like smaller ones.

Variable Valve Actuation - An entire suite of solutions ranging from fully flexible valvetrains to very specific, targeted variability. Fully integrated with minimal impact to engine overhead designs.

Lashless Valvetrain with Engine Braking - Jacobs Fulcrum bridge is designed to work with conventional HLAs and various engine brake types. Eliminating the need to adjust valve lash, while reducing noise, vibration, and harshness due to improved valve seating.