Heavy Duty Ridge Reamer

Extra-sturdy, extra durable ridge reamer will handle engines with bores from 3” to 5”. Tungsten carbide blade will not over-cut, chatter or dig in. Smooth cutting action of this tool is attained by fine-thread feed up. Accuracy is maintained by a heavy, heat treated centre bolt. Steel collar on centre bolt protects threads from wrench damage. Three position setting of spring loaded cutter head permits change from one cylinder to another without adjusting cutter head assembly.