Hidden Kit Winch Mounting System Fits GMC Sierra and Yukon's (Please check fitment for model);For 2 and 4WD models;Fits 1/2 Ton 1500 only;For use with winch models 9.5xp, T9K, XD9, M8, and M6 CHEVROLET GMC SIERRA 1500 SIERRA 2500 SIERRA 2500 HD SIERRA 3500 SILVERADO 1500 SUBURBAN 1500 TAHOE YUKON YUKON XL 1500 BASE C3 DENALI HT LIMITED LS LT LTZ SL SLE SLT WT Z71 1999 2000 2001 2002 2003 2004 2005 2006 4.3L L35 (262) Vortec 4.3L LU3 (262) Vortec 4.8L GEN III LR4 Vortec (294) 5.3L GEN III Flex L59 Vortec (325) 5.3L GEN III LM7 Vortec (323) 5.3L GEN III LM7 Vortec (325) 5.7L L31 (350) Vortec 6.6L Duramax Turbo Diesel LB7 (403) 6L GEN III Bi-Fuel LQ4 Vortec (364) 6L GEN III CNG LQ4 Vortec (364) 6L GEN III LQ4 Vortec (364) 8.1L L18 Vortec (496) BI-FUEL CNG DIESEL FLEX GAS Warn Warn Hidden Kit Winch Mounting System - 61770 61770 Winch Mounts & ATV Bumpers