Umatek (CVTech) Trailbloc Drive Pulley Springs Part #:0951 1013 Designed to be a direct 341446 Designed to be a direct fit to OEM master cylinders The perfect match for Renthal sprockets 0951 1001 Gold Green Green 80 200 0951 1002 Gold Green Blue 80 400 0951 1003 Gold Green Yellow 80 600 0951 1004 Gold Green Red 80 900 0951 1005 Gold Green Pink 80 1200 0951 1006 Gold Green White 80 1600 0951 1007 Gold Blue Green 120 200 0951 1008 Gold Blue Blue 120 400 0951 1009 Gold Blue Yellow 120 600 0951 1010 Gold Blue Red 120 900 0951 1011 Gold Blue Pink 120 1200 0951 1012 Gold Blue White 120 1600 0951 1013 Gold Yellow Blue 200 400 0951 1014 Gold Yellow Yellow 200 600 0951 1015 Gold Yellow Red 200 900 0951 1016 Gold Yellow Pink 200 1200 0951 1017 Gold Yellow White 200 1600 0951 1018 Gold Red Yellow 300 600 0951 1019 Gold Red Red 300 900 0951 1020 Gold Red Pink 300 1200 0951 1021 Gold Red White 300 1600 0951 1022 Gold Red Gold 300 1757 0951 1024 Gold Pink Red 400 900 0951 1025 Gold Pink Pink 400 1200 0951 1027 Gold Pink Gold 400 1772 0951 1028 Gold Gold Red 500 900 0951 1029 Gold Gold Pink 500 1200 0951 1033 Gold Silver Pink 600 1114 0951 1034 600 1457 0951 1036 Gold Orange Blue 250 600 0951 1037 250 900 For the CVTech Trailbloc only