Michigan Motorsports AFM/DOD Valve Lifter Set with Guide Trays | Fits GM 5.3L 6.0L 6.2L Active Fuel Managment Engines | OEM-Quality Replacement

The Michigan Motorsports AFM/DOD Valve Lifter Set with 4 Guide Trays is the trusted solution for repairing or restoring your GM Active Fuel Management engine. Specifically designed for 5.3L, 6.0L, and 6.2L AFM‑equipped engines, this set includes 8 AFM/DOD lifters and 4 lifter guide trays to replace worn, sticking, or failed factory lifters. Built to OEM specifications, these lifters maintain factory reliability while preventing common AFM issues such as misfires, ticking, and performance loss. Perfect for a stock replacement or during top‑end service, this set ensures smooth valve actuation and dependable operation.

• Complete AFM/DOD Lifter Replacement Set – Includes 8 AFM lifters and 4 lifter guide trays to fully restore the GM AFM cylinder deactivation system.
• OEM‑Quality Construction – Built to meet or exceed factory standards for strength, precision, and long‑term durability.
• Fixes Common AFM Issues – Resolves ticking, misfires, and reduced power caused by collapsed or worn AFM lifters.
• Direct‑Fit GM Replacement – Installs without modifications; fits in place of factory lifters and trays for a quick, clean repair.
• Perfect for Engine Rebuild or AFM Service – An essential upgrade when repairing AFM‑related failures or rebuilding the top end.