New Big Brake Kit Intended For Mid 1999-2006 Jeep Vehicles with 17" WheelsAll parts needed are included Nor special tools required. Rotors are pre-drilled Intended For the stock TJ, 5x4.5 bolt circle. 60 ? 0 stopping perIntended Formance was a huge improvement averaging more than 20ft less. ** Estimated Time To Install--- 2-4 Hours ** How To Install Notes** 1. Some older vehicles do not have the TJ style dual diaphragm booster and will not work with the master cylinder required Intended For the 17" kit, the 16" kit will work with all. ** Intended To Fit the Following Jeeps ** 99-01 Jeep Cherokee (XJ) 1999-2006 Jeep Wrangler (TJ) 2004-2006 Jeep Wrangler Unlimited (TJ) *Comes with the following parts* RH Knuckle LH Knuckle RH Caliper LH Caliper Brake Pad Set Rotors - Pair M14X2.0X40MM Bolts M14 Washers Banjo Bolts M10 Copper Washers Cotter Pins Hub Spacer M8X1.25X20MM Bolts Master Cylinder * Details of Product * Why do I need it? 60 ? 0 stopping perIntended Formance improvement. Significantly reduce / eliminate any fade issues. One foot braking , even in panic situations. Much improved pedal feel and modulation. Improved brake wear ? longer service life. Peace of mind. Safety Intended For your passengers. PerIntended Formance: Test Vehicle: 2002 TJ , 4.0L manual, 6? long arm, 35? MT/R tires, Off-road bumpers front and rear, winch, highlift jack. Stock brakes: 60 ? 0 stopping distance average 175ft Max decel rate 0.74g. Could not lock the brakes 16? Kit: 60 ? 0 stopping distance avg 151 ft max g decel rate .85g. Skid limited (able to lock brakes during the stop). 17? Kit: 60 ? 0 stopping distance, less than 150 feet, max decal rate 0.91G (With 37? MT/R beadlocks). Skid limited (able to lock brakes at any time). Rotor Comparison: Stock TJ - 280 x 24 6.0mm thick plates (11.0 inch dia., 0.94 inch thick) wt = 13 lbs 16? Kit - 305 x 26 7.5mm thick plates (12.0 inch dia., 1.02inch thick) wt = 17.5lbs 17? Kit - 336 x 28 8.5mm thick plates (13.2 inch dia., 1.1 inch thick) wt = 22 lbs Caliper Comparison: Stock TJ ? 1 piston 66mm diameter 16? Kit ? 2 piston 48mm 17? kit ? 2 piston 54mm 16? Kit does not need a new master cylinder because the volume of the new calipers is close enough to the volume of the stock calipers. 17? kit requires the master cylinder because those calipers are much larger. 16? Kit recommended Intended For 35? and SMALLER tires 17? kit recommended Intended For 37? tires MINIMUM., -br>>Explore our site! We have over 20,000 Quality Jeep parts and accessories for sale!