Genuine GM LS7 heavy duty lifter and guide kit

Genuine GM LS7 Heavy Duty Lifter & Guide Kit (SKU: LS7LIFTERKIT)

Upgrade your LS build with OEM reliability and performance. This Genuine GM LS7 Heavy Duty Lifter & Guide Kit delivers smooth operation, excellent durability and precise lifter alignment for performance street, tow and track-day engines.

What’s Included

• 16 × 5250 – Genuine GM LS7 Hydraulic Roller Lifters
• 4 × 12595365 – Genuine GM Lifter Guides (Trays)

Why Choose the LS7 Lifter Kit

• OEM Quality & Fit: Genuine GM components for hassle-free installation and long service life.
• Heavy-Duty LS7 Design: Proven lifter body and roller package for stable operation across a wide RPM range.
• Precise Alignment: GM guides keep lifters correctly oriented to reduce wear and noise.
• Versatile Upgrade: Ideal for fresh builds, cam upgrades and AFM/DOD delete conversions.

Fitment & Compatibility

Suits: Non-AFM GM LS engines such as LS1, LS2, LS3, LS6, L98 and similar variants.
AFM/DOD engines: Can be used when performing a proper AFM delete (valley cover, cam, lifters, tuning, etc.). Not for use with active AFM.

Installation Notes

• Pre-soak/new lifters in clean engine oil before install.
• Use new guide (tray) bolts and follow GM torque specs.
• Verify pushrod length and lifter preload after any cam/heads change.
• Prime the oil system and confirm oil pressure on first start.
• Professional installation and calibration/tuning are recommended where applicable.

Recommended With (sold separately)

• AFM Delete Kit (for AFM/DOD engines converting to non-AFM)
• Head gaskets and head bolts/studs (if heads are removed)
• Appropriate pushrods for your camshaft and lifter preload
• Fresh oil and filter for run-in

Note: Confirm compatibility with your specific engine, camshaft and valvetrain setup before final assembly.