Product Description
Delphi LS7 Hydraulic Roller Lifters - Full Set of 16
Fits 1997-2013 GM LS Applications 4.8 5.3 5.7 6.0 6.2 7.0 | LS7-Style Hydraulic Roller Lifters
Upgrade your LS valvetrain with this full set of 16 Delphi LS7-style hydraulic roller lifters, commonly used in GM LS engine builds, cam swaps, AFM/DOD conversions, and top-end rebuilds. Manufactured to OE-style tolerances, these lifters are designed for dependable hydraulic roller operation in LS1, LS2, LS3, LS6, LS7, and truck-based LS engines including 4.8L, 5.3L, 6.0L, and 6.2L applications. Each lifter features the recognizable Delphi gold-ring plunger design and is precision-built for consistent oil control, durability, and stable valvetrain performance. This 16-piece set is a strong choice for naturally aspirated, boosted, street, strip, and performance LS combinations when paired with proper installation and cleaning procedures.
Key Features & Benefits
- Complete Set of 16 Hydraulic Lifters: Includes 16 brand-new Delphi LS7-style hydraulic roller lifters, making this a complete lifter set for GM LS V8 engine applications. This is ideal for full valvetrain rebuilds, camshaft swaps, top-end refreshes, or replacing worn factory lifters during engine service.
- Authentic Delphi LS7-Style Design: Built with Delphi’s gold-ring plunger design and manufactured to OE-style specifications for consistent oil control and dependable hydraulic roller operation. These lifters are a proven choice for LS builders who want factory-style reliability in stock, street performance, and mild race combinations.
- Broad GM LS Compatibility: Designed for popular GM LS engines including 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, and 7.0L applications. This makes the set a versatile solution for LS car engines, truck engines, swaps, rebuilds, and performance upgrades using standard hydraulic roller lifter applications.
- Great for AFM/DOD Conversions & Cam Upgrades: These lifters are commonly used when replacing problematic active lifters during AFM/DOD conversion projects or when upgrading to an aftermarket camshaft. They pair well with proper camshaft, spring, pushrod, and guide tray combinations for a more reliable valvetrain setup.
- Precision-Machined Drop-In Replacement: Engineered for tight tolerances and dependable performance in naturally aspirated and boosted LS applications. When installed correctly and properly cleaned before use, these lifters help support stable valve motion, reduced valvetrain noise, and long-term engine durability.
Notes
- Part Numbers: GM 12499225 and Delphi 25341990
- Quantity: Full set of 16 Delphi LS7-style hydraulic roller lifters.
- Guide Trays: Guide trays are not included.
- Installation Note: Follow the Delphi LS7 Lifter Cleaning & Installation Procedure for best performance and long-term reliability.
- Warranty Note: No manufacturer warranty on lifters.
Key Fitments
- GM LS Applications 4.8L
- GM LS Applications 5.3L
- GM LS Applications 5.7L
- GM LS Applications 6.0L
- GM LS Applications 6.2L
- GM LS Applications 7.0L
- LS1
- LS2
- LS3
- LS6
- LS7
- LQ4
- LQ9
- LM7
- LY5
- LY6
Product Videos
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Delphi LS7 Hydraulic Roller Lifters
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Michigan Motorsports Delphi LS7 Lifter Assembly Process
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Product Reviews
4 Reviews Hide Reviews Show Reviews
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LS7 lifters
my go to lifters for all my LS projects and Michigan Motorsports are my go to company always best prices best customer support and always fast shipping!
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Lifters
Outstanding products.. never disappointed
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No issues before or after installing
Love Michigan motorsports. Like to get a test gig with them for trucks in Ohio. !!
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Perfect
Very fast shipping, worked perfectly with my ls2 trays.
