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Jims USA

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JIMS® Performance Parts & Tools
For Use On Harley-Davidsons®

555 Dawson Drive, Camarillo, CA 93012
Phone 805-482-6913 FAX 805-482-7422

Hey, this is the JIMS Performance Parts And Tools Area. JIMS builds an entire line of tools for working on Harley-Davidson drivelines, including tools to work on the new twin cam models. We will be featuring articles on how to use his line of tools on the 88-inch Harleys.

JIMS now goes way beyond his extensive tool line with performance kits for Harleys including lower ends, pistons, rods, etc. His transmission department manufactures everything needed to build a big twin or Shovelhead transmission. Click on any of JIMS banners to check his product line.

By Bandit
When removing the transmission from its case, the mainshaft bearing race must be removed and replaced. Late model bikes with the new style primary case, 2006 Dyna and all Big Twins 2007 to present, have had problems with the inner primary bearing and mainshaft inner race failing prematurely.
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5-Ball Racing 2015 Chapter 4

May the "Gods" of Progress Take Hold

By Bandit with photos by Kent Weeks and Holly Devil
What a crazy year. We’ve been scrambling in several directions. Plus, once I sent all the parts to Kent Weeks at Lucky Devil MetalWorks, well when the dogs are away, the mice start to party.
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Progressive Suspension Mono-Tube Cartridge Kit Installed

In Jeremiah's Hot Rod Dyna Glide

By Bandit with photos by Wrench and Sean
Jeremiah wanted to change out the rear shocks on his 2012 Dyna upgrade to some Progressive units. We were recently contacted by Progressive suspension about their Monotube front end cartridge solutions and decided to upgrade his front and rear suspension.
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The latest from the House of JIMS will be the Power House behind the 5-Ball Belly Tank

By Bandit, Paul Platts, with photos from the JIMS crew and a George Fleming illo
We’ve worked with JIMS staff for maybe 30 years, maybe longer. Jim Thiessen has one of the most solid companies in the industry. When the custom world is on fire JIMS keeps rolling along. So, when we decided to create something completely nuts for Bonneville in a Belly Tank configuration I discussed it with Jim and he immediately wanted to be involved. I reached out to Paul Platts and quizzed ...
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5-Ball Racing 2014 Chapter 3, sorta

One Crazy Year Reaching for the Salt

By Bandit with photos by Wrench
This has been a scramble, and not exactly on time, but we’ve moved forward and the whole scenario is working out perfectly. We’ll see in about a week. If you believe in anything, you believe in your efforts to make your dreams come true.
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JIMS has just released our new Steady Roll Tappets
By Keith Ball
It is no secret to us at JIMS (and to top engine builders) that performance V-Twin engines require more valve lift than stock designs. This increases the load on the tappet roller, which can lead to failure. Tappet roller failure is a catastrophic and expensive failure. Broken needle rollers allow the tappet roller to deform, causing cam lobe damage. Pieces of the hard ...
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JIMS 135-INCH Twin Cam Race Engine
JIMS is proud to announce the release of the brand-new 135-inch Twin Cam Race Engine! Based on the proven track record of JIMS race engines, we are proud to introduce this 2.2-liter monster which bolts right into a stock frame and incorporates some of the best high performance features in the industry. Specially designed ‘thick wall’ Engine Cases & Timke...
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