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Haisley Machine

Haisley Machine Cummins Performance Parts


Haisley Machine, or HMR, offers top of the line Cummins Performance Parts such as Haisley Street & Competition Clutches, Cummins fire ring head gasket kits, cam shafts, cummins engine girdles, freeze plugs, cam retainers, cam shafts, & more!

Be it a 500HP tow rig or a 2500hp+ pro stock 5.9L triple turbo Cummins, Haisley machine has the parts and the know-how to make it happen. Their products are competition tested to the max daily.