Your Cart (0)
Thumbnail Filmstrip of Duramax 2001-2016 Valve Spring SBI 160-1457 Images
Maintaining the structural integrity of your valvetrain is critical for the long-term performance and reliability of any heavy-duty diesel engine. The SBI 160-1457 Valve Spring serves as a precision-engineered replacement for the GM 6.6L Duramax, spanning generations from the early LB7 through the refined LML and LGH platforms. As a "second-design" component, this spring is specifically calibrated to address the rigorous demands of high-compression diesel cycles, ensuring that valves seat firmly and timing remains consistent even under the high thermal loads typical of professional towing or industrial use.
- Universal Compatibility: Engineered for use as either an intake or exhaust valve spring across the 2001–2016 Duramax lineup.
- Precision Manufacturing: Features a right-hand wound coil configuration, designed to meet exact OEM specifications for harmonic dampening.
- Optimal Seat Pressure: Built to an installed length of 2.216 inches, providing the specific closed and open pressure values required for standard Duramax cylinder head geometry.
- Professional Grade: Optimized for comprehensive engine rebuilds and high-standard service applications where component fatigue is not an option.
- Guaranteed Quality: Sold individually to allow for targeted replacement or full-set overhauls, backed by a 1-year limited manufacturer warranty.
By choosing the SBI 160-1457, you are investing in a component that prioritizes exact fitment over "one-size-fits-all" alternatives. Proper valve spring tension is the primary defense against valve float, a condition that can lead to catastrophic piston-to-valve contact and engine failure. Whether you are refreshing an LBZ for its next 100,000 miles or performing a full head rebuild on an LMM, these springs provide the mechanical consistency required to restore factory performance and protect your engine's internal architecture.
Specifications:
- I.D.: 0.865
- O.D.: 1.177
- Length: 2.216
- Solid Height: 1.137
- Wire Diameter: 0.156
- Open Pressure: [email protected]
- Closed Pressure: [email protected]
- Coils / Turn Direction: 7.50 RH
Note: Qty of 32 valve springs required per engine.
Maintaining the structural integrity of your valvetrain is critical for the long-term performance and reliability of any heavy-duty diesel engine. The SBI 160-1457 Valve Spring serves as a precision-engineered replacement for the GM 6.6L Duramax, spanning generations from the early LB7 through the refined LML and LGH platforms. As a "second-design" component, this spring is specifically calibrated to address the rigorous demands of high-compression diesel cycles, ensuring that valves seat firmly and timing remains consistent even under the high thermal loads typical of professional towing or industrial use.
Universal Compatibility: Engineered for use as either an intake or exhaust valve spring across the 2001–2016 Duramax lineup.
Precision Manufacturing: Features a right-hand wound coil configuration, designed to meet exact OEM specifications for harmonic dampening.
Optimal Seat Pressure: Built to an installed length of 2.216 inches, providing the specific closed and open pressure values required for standard Duramax cylinder head geometry.
Professional Grade: Optimized for comprehensive engine rebuilds and high-standard service applications where component fa[...]
Maintaining the structural integrity of your valvetrain is critical for the long-term performance and reliability of any heavy-duty diesel engine. The SBI 160-1457 Valve Spring serves as a precision-engineered replacement for the GM 6.6L Duramax, spanning generations from the early LB7 through the refined LML and LGH platforms. As a "second-design" component, this spring is specifically calibrated to address the rigorous demands of high-compression diesel cycles, ensuring that valves seat firmly and timing remains consistent even under the high thermal loads typical of professional towing or industrial use.
- Universal Compatibility: Engineered for use as either an intake or exhaust valve spring across the 2001–2016 Duramax lineup.
- Precision Manufacturing: Features a right-hand wound coil configuration, designed to meet exact OEM specifications for harmonic dampening.
- Optimal Seat Pressure: Built to an installed length of 2.216 inches, providing the specific closed and open pressure values required for standard Duramax cylinder head geometry.
- Professional Grade: Optimized for comprehensive engine rebuilds and high-standard service applications where component fatigue is not an option.
- Guaranteed Quality: Sold individually to allow for targeted replacement or full-set overhauls, backed by a 1-year limited manufacturer warranty.
By choosing the SBI 160-1457, you are investing in a component that prioritizes exact fitment over "one-size-fits-all" alternatives. Proper valve spring tension is the primary defense against valve float, a condition that can lead to catastrophic piston-to-valve contact and engine failure. Whether you are refreshing an LBZ for its next 100,000 miles or performing a full head rebuild on an LMM, these springs provide the mechanical consistency required to restore factory performance and protect your engine's internal architecture.
Specifications:
- I.D.: 0.865
- O.D.: 1.177
- Length: 2.216
- Solid Height: 1.137
- Wire Diameter: 0.156
- Open Pressure: [email protected]
- Closed Pressure: [email protected]
- Coils / Turn Direction: 7.50 RH
Note: Qty of 32 valve springs required per engine.