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6 SPEED TRANSMISSION BUILDERS KIT
$989.95
In Stock — Ready to Ship
Ships in 48hrs
30-Day Returns
Secure Checkout
Weight: 27.0000
- Updates your Big Twin 5 speed with this 6 speed overdrive kit.
- Precision ground 8620 gears and shafts.
- Roller detent for smoother shifts.
- Hardened steel shift forks for strength and durability.
- Chrome plated billet trap door minimizes shaft flex.
- Fits 1990/Later Big Twin 5 Speed Models.
- NOTE: We recommend Lucas Synthetic Gear Oil for less gear noise and longer bearing life.
POWER HOUSE PERFORMANCE SYSTEMS®
- Gear: 1st Ratio: 2.94:1
- Gear: 2nd Ratio: 2.21:1
- Gear: 3rd Ratio: 1.57:1
- Gear: 4th Ratio: 1.23:1
- Gear: 5th Ratio: 1.00:1
- Gear: 6th Ratio: 0.86:1
Specifications coming soon.
Shipping Information
In-stock orders ship within 1–2 business days. Shipping time varies by location and carrier. Standard domestic shipping is available for most items. Expedited options may be available at checkout.
- Free Standard Shipping on orders over $99
- Most orders ship within 48 business hours
- Tracking number provided upon shipment
- Oversized items may require freight shipping
Return Policy
We accept returns on eligible new items within 30 days of delivery. Used parts are sold as-is and may not be eligible for return. Items must be in original, uninstalled condition with all original packaging.
Is this part compatible with my bike?
Fitment information is listed in the product details above. If you have questions about compatibility for your specific model and year, please contact our team before ordering.
Do you offer a warranty on parts?
New parts carry the manufacturer warranty where applicable. Used parts are sold as-is and are typically tested or described in detail. See the product condition notes for specifics.
How do I track my order?
Once your order ships, you will receive an email with a tracking number. You can also log into your account at any time to view order status.
Can I return a used part?
Used parts are generally sold as-is and are not eligible for return unless there was a significant misdescription. Contact us within 7 days of delivery if you have a concern.
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