Product Description
Delphi LS7 Lifters – Set of 16 with Guide Trays – Gen 3/4/5 LS & LT Engines
Delphi Part Numbers: 12499225, 25341990 – Fits 4.8L 5.3L 5.7L 6.0L 6.2L 7.0L
This Delphi LS7 Lifters kit includes a complete set of sixteen (16) authentic Delphi hydraulic roller lifters along with updated OEM-style guide trays, making it the ideal solution for LS and LT engine builds. Commonly referred to simply as “LS7 lifters,” these are a proven upgrade for both stock rebuilds and aggressive camshaft combinations.
Designed for Gen 3, Gen 4, and Gen 5 LS/LT engines, these lifters are trusted across the performance community for their durability, consistent oiling characteristics, and long service life. Whether you're freshening up a high-mileage engine or stepping into a cam swap, this kit delivers OEM-level quality with performance-ready reliability.
Included in This Kit
- (16) Authentic Delphi LS7 Hydraulic Roller Lifters
- Updated OEM-Style Lifter Guide Trays
Key Features & Benefits
- Authentic Delphi OEM Lifters: Genuine Delphi P/N 12499225 and 25341990 lifters deliver factory-grade quality, consistent performance, and long-term durability.
- Performance Cam Upgrade Proven: Widely used for camshaft swaps and high-performance builds due to their reliability under increased spring pressures and lift profiles.
- Wide Engine Compatibility: Designed for Gen 3, Gen 4, and Gen 5 LS/LT engines including 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, and 7.0L applications.
- OEM-Grade Guide Trays Included: Updated trays manufactured by the original OEM supplier ensure proper alignment, fitment, and long service life.
- Built to Last – Not Cheap Imitations: Avoid flimsy reproductions; this kit uses high-quality components engineered to withstand demanding street and performance applications.
Fitment
Fits Gen 3, Gen 4, and Gen 5 GM LS/LT engines including:
- 4.8L
- 5.3L
- 5.7L
- 6.0L
- 6.2L
- 7.0L
Notes
- Always replace guide trays when installing new lifters.
- No manufacturer warranty on lifters.
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Product Reviews
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Excellent quality
Michigan Motorsports went above and beyond my expectations. Excellent staff and quality products. They have my business and I will be back..
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Lifters
Great product, fast shipping
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Good quality
Good quality recommended
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Good quality
Recommended
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Good Quality
Great Lifter
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Delphi LS7 Lifters Set and Trays
Received the product quickly!
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LS7 Lifters
Very high quality of workmanship. Rollers feel smooth. Can't wait to get them running with the new cam.
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Overall
Great product, fast shipping. Upgraded my top end on 5.3 lm7
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Great package
Great price
