This listing is for our LS-series roller lifter kit including LS7-UPGRADED USA MADE lifters compatible replacements for 1997-2012 GM models using an LS-series V-8 engine; without Active Fuel Management (AFM). P/N B2148-KIT. Kit includes the following parts: (16) Hylift Johnson (USA-MADE) Hydraulic Roller Lifters (P/N B2148) (4) Lifter Guide Trays (OE # 12596365) (4) Lifter Guide Bolts (OE # 12551163) Applications include: 1999-2012 Trucks/SUVs 4.8L V-8 VIN-V,C,A 1999-2007 Trucks/SUVs 5.3L V-8 VIN-T,Z,B 1997-2004 5.7L LS1 V-8 2001-2005 5.7L LS6 V-8 1999-2010 Trucks/SUVs 6.0L V-8 VIN-U,K 2005-2009 6.0L LS2 V-8 2008-2013 6.2L LS3 V-8; without AFM 2006-2013 7.0L LS7 V-8 There may be cheaper lifters, but what is the quality of these lifters? Be nice to your valve train and engine by using a lifter from a manufacturer who has been making lifters in the USA for over 70-years... Hylift Johnson! FREE SHIPPING TO LOWER 48 US-STATES!