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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Still new
They look good the trays are nice and sturdy almost better than stock.
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LS7 Delphi lifters with trays
I have not ran them yet, but they look like nice quality lifters and installed nicely
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OE quality
Soaked them for insurance installed great at a good price
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Great product
Great set of lifters! Highly Recommend
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the parts are great. are what i ordered. will order again as i need them
this order arrived promptly.
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Excellent lifters
Ran great no tap or lifter noise
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Great product
Great product for the money! Would definitely buy again!
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Went well on my 5.3 lm7
Did these with a cam swap, they don't tick and were easy to install
