Crank Pins by JIMS®. All crank pins are precision manufactured here in Camarillo, California. JIMS start with a special order of steel from an American foundry, then saw, turn, mill, and grind all on numerical controlled machines. From sawing to the final phase of machining, each part is thoroughly inspected and after heat treating, all threads go through a special process to make them withstand greater torque stress. On crank pins, approximately 50% more torque can be applied. All flywheel shafts are ground to a 16 micron finish or better unless otherwise specified. All ground diameters are concentric to within .0003" or less, in order to simplify all phases of flywheel truing and rebuilding. JIMS strongly recommend using JIMS® high performance nuts in combination with JIMS crank pins.
Specifications
Outside Diameter: 1.2495"
3 Oiling Holes
Features
Unique design to meet your tastes and preferences
Manufactured to deliver incredible quality
Perfect for motorcycle applications
Products designed to fulfill the needs of motorcyclists
Expertly crafted from the highest grade materials
Will provide years of dependable service
Made in USA
JIMS® is familiar with critical and tight tolerances. Their parts are used and trusted worldwide, on a daily basis, in critical working assemblies. A very unique talent that JIMS has under their roof is their experience with combustion engine development and manual transmissions. JIMS has developed several motorcycle engines and transmissions and produced these products in the thousands. From ground-pounding burnouts, and high-revving scenarios, to everyday commuting, these parts are put to the test before ever being offered for sale.
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JIMS® - Crank Pins
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Questions and Answers
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