What's New

Cummins 5.9L billets are now available!

Colt Cams now has 6 (yes, 6!) stages of performance grinds for your 5.9L cummins diesel ...more

Southbend Clutch's Twin Turbo Diesel at LCMMC

Southbend ran hard at the Lee County Mud Motorsports Complex. ...more

South Bend Clutch uses Colt Cam's 'Big Stick'

Check out the "Never Saw It Cummins" mud rail ...more