Product: Elgin Industries (Elgin, IL. USA) 1/2-Set Chevy GMC 5.3 5.3L 6.0 6.0L Active Fuel Management AFM Valve Lifter (4) AFM DOD & (4) Standard Lifters
Brand: Guardian Engine Kits
This listing is for eight (8) Elgin valve lifters manufactured by Delphi for 2005-16 GM family models using the 5.3L 6.0L or 6.2L V-8 engine with Active Fuel Management (AFM). P/N (4) HL-7011S + (4) HL-2148S. These AFM lifters are the 2nd Generation design. This is a half (1/2) set of valve lifters (enough for one bank) required for AFM V-8 engines (4-AFM; 4-non-AFM). Note: Need to order quantity of (2) for full engine set! AFM lifters fail due to a faulty VLOM (valley cover) - Updated VLOM# 12571609 from GM must be installed with new lifter to prevent future failures and warranty coverage.
This is a HALF set for the engine
4 Standard Lifters & 4 AFM DOD lifters
Recommended VLOM# 12571609 from GM must be installed to prevent future failures.

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