This Specbolt 138 piece kit is designed with the serious mechanic in mind. Fits all liquid cooled KTM SX EXC MXC XC ATV 2 or 4 Stroke models. This includes 2 STROKE motorcycles : 50 60 65 85 105 125 250 300 360 380 550 AND 4 STROKE motorcycles: 250 350 400 450 520 525 530 620 640 690 & 950. And ATV models of SPORT ATV INCLUDING SX450 SX505 450XC & 525XC. Your Bolt Kit will include 30 EJOT "gold screws" for bike radiator shrouds, 8 M8x20 KTM fitting subframe bolts, and 20 each of the following OEM EURO matching M6 torx flange head bolts: 6x12, 6x16, 6x20, 6x25, & 6x30. These fasteners meet or exceed quality standards of your machine's originals. A perfect addition to the serious mechanic or racer's tool kit and a must have for any do-it-yourselfer KTM mechanics.