Product Description
Michigan Motorsports LS Lifter Guide Tray Bolts – Replaces GM 12551163 (Set of 4)
Fits 1997–2014 GM LS Engines | LS1 LS2 LS3 LS6 4.8L 5.3L 5.7L 6.0L 6.2L
The Michigan Motorsports LS Lifter Guide Tray Bolt Set is a direct replacement for GM part number 12551163 and is designed to secure the lifter guide trays in Gen III and Gen IV LS engines. These bolts fasten the lifter trays to the engine block, ensuring proper lifter alignment and preventing lifter rotation during camshaft operation. Manufactured to meet OEM specifications, this set of four bolts provides the correct fit and clamping force required for reliable valvetrain performance during engine rebuilds, camshaft upgrades, or lifter service.
Key Features & Benefits
- Direct Replacement for GM 12551163 – Designed to replace the factory lifter tray bolts used in GM LS engines.
- Maintains Proper Lifter Alignment – Securely holds lifter guide trays in place to prevent lifter rotation and ensure proper camshaft operation.
- OEM Fit and Performance – Manufactured to factory specifications for proper thread engagement and clamping force.
- Ideal for Engine Rebuilds and Cam Swaps – Recommended when servicing lifters, lifter trays, or performing camshaft upgrades.
- Complete Set of Four Bolts – Includes the four bolts required to secure the lifter guide trays in LS engine blocks.
Notes & Installation Information
- Replaces GM part number 12551163.
- Compatible with most GM LS engines from 1997–2014.
- Professional installation recommended when servicing lifters or timing components.
Key Fitments
- 1997–2014 GM LS-Based V8 Engines
- LS1, LS2, LS3, LS6, LQ4, LQ9, LM7, LR4, L33, L59, and other Gen III/IV LS engines
Product Videos
Custom Field
Product Reviews
3 Reviews Hide Reviews Show Reviews
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Quality
Worked as expected
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Keep it tight
Great bolt definitely fealt the grab once it was torqued and i know its just a tray but every little detail counts for a solid build for longevity
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Bolts
Perfect fit
