12499225 Lifters 16 and 4 Guide Tray for GM LS7 LS1 LS3 LS6 LQ4 LQ9 LY5 LY6 LM7

Product Overview

This aftermarket replacement set includes 16 lifters and 4 guide trays intended for the listed G/M LS engine applications, including LS7, LS1, LS3, LS6, LQ4, LQ9, LY5, LY6, and LM7 as supplied in the title. Lifters, or hydraulic roller lifters, transfer motion from the camshaft lobe to the pushrod, while guide trays help keep the lifters aligned in their bores. The set cross-references part number 12499225.

Key Features & Performance

• Set includes 16 lifters and 4 guide trays as stated in the title
• Lifters transfer camshaft motion to the pushrods in the valvetrain
• Guide trays help hold the lifters in their proper orientation within the engine block
• Cross-references part number 12499225
• Intended for the listed G/M LS engine applications

Fitment & Compatibility

• for G/M LS7 applications
• for G/M LS1 applications
• for G/M LS3 applications
• for G/M LS6 applications
• for G/M LQ4 applications
• for G/M LQ9 applications
• for G/M LY5 applications
• for G/M LY6 applications
• for G/M LM7 applications

Common Uses

• Replacing worn or malfunctioning lifters in the listed G/M LS engine applications
• Valvetrain servicing during routine engine maintenance or rebuild
• Restoring normal valve actuation after the original lifters or guide trays have failed

Technical Specifications

• Product Type: Lifter and Guide Tray Set
• Part Number(s): 12499225
• Included Components: 16 lifters, 4 guide trays
• Engine Application(s): G/M LS7, LS1, LS3, LS6, LQ4, LQ9, LY5, LY6, LM7

Frequently Asked Questions

Q: What do lifters and guide trays do in an engine? A: Lifters transfer motion from the camshaft lobe to the pushrods as part of the valvetrain, and guide trays help keep the lifters aligned in their bores.

Q: How do I verify fitment? A: Compare the complete existing part number and the complete engine model designation, such as the LS or LQ series listed, against the information in this title before ordering.

Closing Notice

This is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.