- Stock Status: Special Order - Call
- Manufacturer: PacBrake
- Model: 3916588KIT
- Weight: 5.00lb
- SKU: 3916588KIT
- UPC: 3916588KIT
- Location: (NSI)
Available Options
Genuine Cummins Heavy Duty Valve Springs for C8.3L Engines with Exhaust Brake Applications
If you are installing an exhaust brake on a mechanical Cummins C8.3L engine, upgrading the exhaust valve springs is strongly recommended to ensure proper engine operation and braking performance. The Genuine Cummins 3916588KIT Heavy Duty Exhaust Valve Springs are specifically designed for C8.3L engines equipped with exhaust brakes and provide the additional spring pressure required to keep the exhaust valves fully seated during braking.
Many mechanical C8.3L engines that were not originally equipped with an exhaust brake were built with lighter valve springs. When an exhaust brake is added, the increased exhaust backpressure can overpower the factory springs, allowing the exhaust valves to open slightly and reducing braking effectiveness. These genuine Cummins heavy-duty springs are engineered to handle the higher pressures generated during exhaust braking, ensuring maximum braking performance while protecting engine components.
This kit includes six heavy-duty exhaust valve springs, providing the correct upgrade for one cylinder bank of the Cummins C8.3L engine.
Applications:
- Motorhomes and Trucks with C8.3L that did not originally have an exhaust brake
Specifications:
- Genuine Cummins heavy-duty valve springs
- Designed for Cummins C8.3L engines with exhaust brake applications
- Helps maintain proper exhaust valve sealing during braking
- Improves exhaust brake effectiveness and engine protection
- Includes set of 6 springs
- Ideal upgrade for mechanical C8.3L engines adding an exhaust brake
Special Notes:
- For best results and compatibility, please provide your engine serial number when ordering so we can verify these springs are correct for your specific Cummins engine configuration.
The state of California requires that this warning be posted for people purchasing products that reside in California.
WARNING: Products may contain one or more chemicals known in the State of California to cause cancer and/or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov


