A: No they do not. The EXP71200B mount kit fits 99-10 GM2500/ 3500Hd models only. Depending on cab /bed length, you will need to have different length bars: Crew cab, long bed - use 72400B bars (64”bars ) Standard cab, short bed - use 71000B bars (50” bars)

A: The 71200B mount kit fits 99-10 GM2500/ 3500Hd models only. Depending on cab /bed length, you will need to have different length bars: Crew cab, long bed - use 72400B bars (64”bars ) Standard cab, short bed - use 71000B bars (50” bars)

A: Thanks for the inquiry DR.GONZO, the Pro Comp Suspension Traction Bar Mounting Kit EXP71200B these brackets and the bars will help eliminate any vibration, also if you have a 2 piece rear drive shaft a drop carrier bearing is almost always need part # EXP51255.

A: Thanks for the inquiry clude, the Pro Comp Suspension Traction Bar Mounting Kit part # EXP71200B you can buy individual parts here a link to the breakdown and you can call our call center to order 800-421-1050. http://jo.my/brtx8i

A: Plow Guy, Thanks for the question.Part # EXP71200B is the correct part # for traction bar 72400B & will work on your 2008 3500 Duramax.

A: Plow guy, Thank you for asking. The Pro Comp Suspension Traction Bar Mounting Kit part# EXP71200B are the mounts for your vehicle. You will also need the actual traction bars if you don't already have them http://jo.my/wznu0h

A: Hello Underdog, the Pro Comp Suspension Traction Bar Mounting Kit part# EXP71200B will fit your vehicle. Thank you for your inquiry.