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McCulloch Parts List
This 3-1/2" trimmer head replaces McCulloch no. 233973. It is used on trimmers which have extended spindles and have 5/16-18 thread. This head can be used on the McCulloch Mac 65, 65SL, some 80SX, 80SL, Roadrunner II, and some of the Mac2815 and 2817 models.