Related Photo Galleries
Here's our factory 2MA nodular iron crank just back from the machine shop. To clean up any discrepancies at the journals, both the main and rod journals have been machined 0.010-inch undersize. Speed Pro 0.010-inch oversize main and rod bearings get the nod. Any time you have machine work performed, the bottom end must be dynamic balanced. This isn't optional, it's mandatory.