TwistGear Systems Site Map





Johnson Engineering
100 Blake Road
Denver, IA 50622
(319)984-9299 fax

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April 30, 2003

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Here's where you'll find all the news and information about Johnson Engineering's growing family of performance products for Harley-Davidson style transmissions, including our newest addition, the revolutionary SportGear. Then, when you're ready...

...head over to our product and price list, where you can print out the order form and experience for yourself what real v-twin drivetrain performance is all about. Smooth, comfortable, quick, and reliable...that's TwistGear. That's performance.

About Johnson Engineering company background and philosophy
About The TwistGear System TwistGear's helical transmission designs
Charting TwistGear Performance see the benefit a TwistGear performance upgrade delivers

Dealer Application

PDF form application - download, fill out, fax back!
Four-Point Bearings they're not pretty — but boy, are they tough

Frequently Asked Questions

FAQs — answers to commonly asked questions

Installing TwistGear installation procedures for TwistGear, WideGear, and SportGear; installation procedures for seal and spacer

Kinetic Engines

Milwaukee speed shop tries out TwistGear
Main Gear Bearings we're stomping out bearing failure and seal leaks
News Page news about helical, in print and on the road
Ordering TwistGear your tranny - order direct
Price List what we sell and what it costs
Retrofitting Big Twins breathe new life into that '85-'91 five-speed BT
Seals and Spacers straight talk on why tranny oil seals fail — and how to fix them
SportGear Buells and Sportsters get fired up with SportGear
Talk Back get in touch - we want to hear what you think
TC Hot Rods! Ohio speed shop Sturm Engineering's killer RKs revealed
Tech Documents our free online PDF library of JE tech and product documents
TwistGear ride quicker, quieter, smoother — the gear of the future, today
TwistGear Ratios output ratios explained, includes schematic
WideGear the cleanest system available for fat conversions
SportGear™ and TwistGear® are trademarks of Johnson Engineering, Inc.
Buell™, Dyna™, and Sportster™ are trademarks of the Harley-Davidson Motor Company.
No affiliation with the Harley-Davidson Motor Company is implied or inferred.