20 x Tuner bolts M14 x 1.5, extended 40mm for Aftermarket alloy wheels. Seat
Thread size: M14 x 1.5. M14 x 1.25. Tuner bolts have an internal spline and a star drive tool is used to fit them. These bolts have anextended thread length of 40mm (standard is 28mm) and are for use when fitting10mm spacers.