EBC OE Style Pilot Jet #40 - Harley Evolution & Twin Cam
About EBC
EBC Brakes manufactures brake pads, rotors and clutch components for motorcycles worldwide, with compound choices that let a rider match pad bite and wear characteristics to how the bike is actually used.
The EBC OE Style Pilot Jet #40 is engineered to OEM specifications, providing a direct replacement for Harley-Davidson Keihin BH carburetors found on Evolution and Twin Cam engines. This jet ensures precise fuel metering at idle and low-throttle operation for smooth, consistent power.
Why riders pick this
- Direct replacement for Evolution & Twin Cam Harleys
- Optimized for Keihin BH carburetors
- #40 orifice for precise low-speed fuel metering
- Ensures smooth idle and responsive low-throttle
For riders of Evolution and Twin Cam Harleys, maintaining a crisp idle and responsive low-end throttle is crucial. The EBC OE Style Pilot Jet #40 is designed to deliver exactly that. This direct-fit component ensures your Keihin BH carburetor's low-speed circuit is operating at peak efficiency, eliminating the common frustrations of rough idle or hesitation when you're just getting off the line or navigating slow-speed maneuvers.
Precision Fuel Metering for Evolution & Twin Cam
- OE-style design ensures perfect compatibility with Keihin BH carbs
- #40 orifice size for accurate idle and low-throttle fuel delivery
- Manufactured to original equipment specifications for reliable performance
- Direct replacement for worn or clogged factory pilot jets
Enhance Your Riding Experience
Whether you're performing routine maintenance or chasing a better tune, replacing a worn pilot jet with an EBC OE Style Pilot Jet #40 can make a noticeable difference in your Harley's rideability. It's an essential component for any Evolution or Twin Cam owner looking to ensure their engine runs smoothly and predictably at lower RPMs and during initial throttle application.
Specifications
- Brand: EBC
- Manufacturer Part #: EBC424-25-40
- UPC: 840655094975
- Jet Size: #40
- Length: 3 in
- Width: 2 in
- Height: 0.5 in
- Weight: 0.0893 lbs
- Country of Origin: United Kingdom
Common questions
Will this #40 pilot jet fit my Evolution or Twin Cam Harley?
Yes, this EBC #40 pilot jet is specifically designed as an OE-style direct replacement for Keihin BH carburetors commonly found on Harley-Davidson Evolution and Twin Cam engine platforms.
What is the primary role of a pilot jet?
The pilot jet is responsible for metering fuel at idle and very low throttle openings. It significantly impacts your bike's starting, idle quality, and smooth transition when you first apply throttle.
Is this a performance pilot jet or an OEM replacement?
This EBC pilot jet is an OE-style direct replacement, manufactured to match the original specifications. It's designed to restore factory performance rather than provide a performance upgrade.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | EBC |
| TYPE | Jets |
| SKU | 124-2540 |
| WEIGHT | 0.09 lb |