⚡ Power up your Harley in minutes—because every ride deserves to roar!
The Yost Performance CV40 Master Kit Rev 1 is a precision fuel atomizing upgrade designed to boost power and smooth engine performance on 2004 Harley Davidson V-Rod, Softail, Dyna, and Electra Glide models. This comprehensive kit includes the latest Rev 1 Yost power tube, emulsion tube, multiple needles, jets, drill bits, and springs, enabling quick installation in under 10 minutes and fine-tuned fuel delivery for an optimized ride.
Manufacturer | Yost Performance |
Brand | Yost |
Item Weight | 3.2 ounces |
Product Dimensions | 6.7 x 3.5 x 1 inches |
Item model number | DS-289076 |
Is Discontinued By Manufacturer | No |
Manufacturer Part Number | DS-289076 |
Z**H
makes the evo purr
fits the stock cv harley carb. Had to order additional jet for the complete rejet but it made riding much more enjoyable on my 25 year old bike
J**.
poor running
My harley never would run right with this kit,had to go with the stock em tube
A**R
Three Stars
Drill bits were missing from kit
J**N
Great Kit
I installed this kit on a 97 EVO and it made a world of difference. Better throttle responce,Gas miles,idle. I read directions and easy install great kit.
A**R
Five Stars
Worked awesome. Improved horsepower.
R**R
Five Stars
Thank you
S**T
Five Stars
made a difference
Trustpilot
4 days ago
1 week ago