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Thumbnail Filmstrip of 1998.5-2022 5.9L / 6.7L Cummins Performance Valve Spring SBI 360-1020 Images
The SBI Performance Valve Spring 360-1020 is a high-performance upgrade designed to restore and enhance the valvetrain stability of your Dodge Ram 5.9L or 6.7L Cummins diesel. In high-pressure diesel environments, the valve spring is the heartbeat of the cylinder head; it is responsible for ensuring the valve closes quickly and remains seated against massive boost pressures. Standard springs can fatigue over time, leading to "valve float" where the valve fails to keep pace with the camshaft at higher RPMs. By integrating this SBI performance spring, you ensure that your engine maintains peak volumetric efficiency and remains protected against the catastrophic piston-to-valve contact that can occur when springs lose their tension.
- Advanced Metallurgical Composition: Crafted from a sophisticated blend of chrome silicon, chrome silicon vanadium, and chrome silicon vanadium nickel, providing superior tensile strength and fatigue resistance compared to standard carbon steel.
- Stress-Relieved and Heat-Treated: Each spring undergoes rigorous thermal processing to extend its service life and minimize "load loss," ensuring the spring maintains its seat pressure even after millions of cycles.
- Precision Engineering: Manufactured using cutting-edge technology and strict quality control measures to meet or exceed original equipment (OE) specifications.
- Optimized for Cummins Diesels: Specifically tailored for the heavy-duty demands of the 5.9L and 6.7L platforms, making it ideal for both stock refreshes and mild performance builds.
- Sold Individually: Offers the flexibility to replace a single fatigued spring or source a complete set for a 12-valve or 24-valve head overhaul.
Choosing the 360-1020 is an educational investment in your engine’s longevity and high-RPM reliability. As diesel enthusiasts push for more power through increased boost and aggressive camshaft profiles, the demand on the valvetrain scales exponentially. These springs are engineered to handle those increased loads by providing a consistent, predictable rate of resistance. By replacing your aging factory springs with these advanced alloy units, you are effectively "future-proofing" your head against the common wear and tension loss associated with high-mileage diesel workhorses. Whether you are performing a routine top-end rebuild or preparing for a performance tune, SBI provides the mechanical insurance necessary to keep your Cummins running at its absolute best.
Specifications:
- I.D: 0.743
- O.D: 1.058
- Length: 2.035
- Solid Height: 0.854
- Open Pressure: [email protected]
- Closed Pressure: [email protected]
- Wire Diameter: 0.126 x 0.157
- Coils / Turn Direction: 6.78 RH
Note:
- Qty of 24 valve springs required per engine.
- Shipping Restrictions Apply. This product cannot be shipped to CA.
The SBI Performance Valve Spring 360-1020 is a high-performance upgrade designed to restore and enhance the valvetrain stability of your Dodge Ram 5.9L or 6.7L Cummins diesel. In high-pressure diesel environments, the valve spring is the heartbeat of the cylinder head; it is responsible for ensuring the valve closes quickly and remains seated against massive boost pressures. Standard springs can fatigue over time, leading to "valve float" where the valve fails to keep pace with the camshaft at higher RPMs. By integrating this SBI performance spring, you ensure that your engine maintains peak volumetric efficiency and remains protected against the catastrophic piston-to-valve contact that can occur when springs lose their tension.
Advanced Metallurgical Composition: Crafted from a sophisticated blend of chrome silicon, chrome silicon vanadium, and chrome silicon vanadium nickel, providing superior tensile strength and fatigue resistance compared to standard carbon steel.
Stress-Relieved and Heat-Treated: Each spring undergoes rigorous thermal processing to extend its service life and minimize "load loss," ensuring the spring maintains its seat pressure even after millions of c[...]
The SBI Performance Valve Spring 360-1020 is a high-performance upgrade designed to restore and enhance the valvetrain stability of your Dodge Ram 5.9L or 6.7L Cummins diesel. In high-pressure diesel environments, the valve spring is the heartbeat of the cylinder head; it is responsible for ensuring the valve closes quickly and remains seated against massive boost pressures. Standard springs can fatigue over time, leading to "valve float" where the valve fails to keep pace with the camshaft at higher RPMs. By integrating this SBI performance spring, you ensure that your engine maintains peak volumetric efficiency and remains protected against the catastrophic piston-to-valve contact that can occur when springs lose their tension.
- Advanced Metallurgical Composition: Crafted from a sophisticated blend of chrome silicon, chrome silicon vanadium, and chrome silicon vanadium nickel, providing superior tensile strength and fatigue resistance compared to standard carbon steel.
- Stress-Relieved and Heat-Treated: Each spring undergoes rigorous thermal processing to extend its service life and minimize "load loss," ensuring the spring maintains its seat pressure even after millions of cycles.
- Precision Engineering: Manufactured using cutting-edge technology and strict quality control measures to meet or exceed original equipment (OE) specifications.
- Optimized for Cummins Diesels: Specifically tailored for the heavy-duty demands of the 5.9L and 6.7L platforms, making it ideal for both stock refreshes and mild performance builds.
- Sold Individually: Offers the flexibility to replace a single fatigued spring or source a complete set for a 12-valve or 24-valve head overhaul.
Choosing the 360-1020 is an educational investment in your engine’s longevity and high-RPM reliability. As diesel enthusiasts push for more power through increased boost and aggressive camshaft profiles, the demand on the valvetrain scales exponentially. These springs are engineered to handle those increased loads by providing a consistent, predictable rate of resistance. By replacing your aging factory springs with these advanced alloy units, you are effectively "future-proofing" your head against the common wear and tension loss associated with high-mileage diesel workhorses. Whether you are performing a routine top-end rebuild or preparing for a performance tune, SBI provides the mechanical insurance necessary to keep your Cummins running at its absolute best.
Specifications:
- I.D: 0.743
- O.D: 1.058
- Length: 2.035
- Solid Height: 0.854
- Open Pressure: [email protected]
- Closed Pressure: [email protected]
- Wire Diameter: 0.126 x 0.157
- Coils / Turn Direction: 6.78 RH
Note:
- Qty of 24 valve springs required per engine.
- Shipping Restrictions Apply. This product cannot be shipped to CA.