All DR-Systems require longer wheel bolts. These must be ordered separately. H&R Wheel Spacer Bolts are listed here. When ordering wheel bolts, please follow these guidelines: a) If possible, name the brand of wheel. b) New bolts must be longer than the original bolts by the width of the wheel spacer used. c) The bolt head must be identical to the existing bolt: Taper 60 End digit 01 Round head for M12/d24 mm, for M14/d28 mm End digit 02 Round head for M12/d26 mm (e.g. OE VAG-wheels) End digit 03 Flat head for Porsche original wheels M14 x 1.5 End digit 06 d) Safety guidelines (Minimum number of turns for wheel bolts / nuts): M12 x 1.25 = 8.0 turns = approx. 10 mm of load bearing shaft length M12 x 1.50 = 6.5 turns = approx. 10 mm of load bearing shaft length M12 x 1.75 = 6.5 turns = approx. 12 mm of load bearing shaft length M14 x 1.25 = 9.0 turns = approx. 12mm of load bearing shaft length M14 x 1.50 = 7.5 turns = approx. 12 mm of load bearing shaft length 1/2" UNF = 8.0 turns = approx. 11 mm of load bearing shaft length e) Please ensure that the wheel bolts do not damage any part of the brake system (ABS sensors, etc.). Turn the wheel by hand and check clearance on the inside of the hub. The wheel should rotate freely. (Maximum tolerance for some vehicles is only 2mm -- i.e. Rear Axle Mercedes).. H&R Trak+ Wheel Spacers move your wheels out so they are flush with the fender-instantly giving your vehicle the perfect stance. Whether you want improved handling, increased safety, or simply want your car to make a statement about your individual style, Trak+ Wheel Spacers can help you accomplish your goal and GO WIDE. Manufactured from a special proprietary alloy that has a higher tensile strength than 6061-T6 billet aluminum, H&R Trak+ Wheel Spacers are hub centric featuring a full contact hub-just like the factory hub-for even load force distribution and lateral support.. Moves your wheels outward so they are flush with the fender, instantly giving you the perfect stance. H&R Trak+ 15mm DR Wheel Adaptor Bolt 3/112 Center Bore 57 Bolt Thread 12x1.5. Hub centric design, proprietary alloy, higher strength, lighter weight. H&R Springs Trak+(TM) Wheel Spacers (2x). Extended length hardware available. Trak+(TM) Wheel Spacers (2x). 15 mm Wheel Spacer (2x). Wheel Spacer Kit. made in Germany. Spacers

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