JIMS - 8085 - 6-Speed Overdrive Super Gear Kit - '90-'00 Harley-Davidson
Whether you're doing routine maintenance or building something special, the JIMS 8085 delivers the quality, precision, and performance that professional builders and serious riders depend on. All gear sets use 2.94:1 close-ratio 1st gear that widens bike's speed range in 1st gear and lessens the rpm drop when shifting into second. Overdrive 6th gear (.86:1 ratio) lowers engine rpm by almost 475 at 75 mph. Designed to turn stock 5-speed transmission into a 6-speed. Creates a more relaxing cruising speed. Type: Gear. Made in the U.S.A. Compatible with Street applications. Sold as a kit.
Features
- All gear sets use 2.94:1 close-ratio 1st gear that widens bike's speed range in 1st gear and lessens the rpm drop when shifting into second
- Overdrive 6th gear (.86:1 ratio) lowers engine rpm by almost 475 at 75 mph
- Designed to turn stock 5-speed transmission into a 6-speed
- Creates a more relaxing cruising speed
- Reduces vibration that creates wear
- Gaskets and seals included
- Made in the USA
- Requires speedometer sensor block-off plate kit; if speedometer is not driven from transmission, then two block-off plates kits are required.
- Trap door extends 3/8” farther to right than stock part. Alteration to some parts that attach to or around the trap door may be required.
- Requires speedometer be recalibrated.
Specs
- Style: Close Ratio
- First Gear Ratio: 2.94:1
- Product Name: Overdrive Super Kit
- Riding Style: Street
- Type: Gear
- Units: Set
- Transmission Type: 6-Speed
- Sixth Gear Ratio: 0.86:1
Frequently Asked Questions - JIMS - 8085 - 6-Speed Overdrive Super Gear Kit - '90-'00 Harley-Davidson
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
