JET MAIN 155 KEIHIN 99101-357, PROX 45.155 PACK-5
4.1 Trustpilot 99.9% positive on eBay
UK delivery £4.99, free over £60 2–4 business days
Spread the cost with 18+, T&Cs apply
Keihin Hex Main Jet 155. For CR, FCR, PJ, PWK & PWM Carburettors. Part number 99101-357. High quality aftermarket jet. Pack of 5.
- SKU
- 25-126.PROX.PK5
- Brand
- Pro-X Racing
- Availability
- In Stock (1)
Fitments (66)
| Make | Model | Year |
|---|---|---|
| BETA | RR ENDURO 2T 250 | 2013 |
| BETA | RR ENDURO 2T 250 | 2014 |
| BETA | RR ENDURO 2T 250 | 2015 |
| BETA | RR ENDURO 2T 250 | 2016 |
| BETA | RR ENDURO 2T 250 | 2017 |
| BETA | RR ENDURO 2T 250 | 2018 |
| BETA | RR ENDURO 2T 250 | 2019 |
| BETA | RR ENDURO 2T 250 | 2020 |
| BETA | RR ENDURO 2T 300 | 2013 |
| BETA | RR ENDURO 2T 300 | 2014 |
| BETA | RR ENDURO 2T 300 | 2015 |
| BETA | RR ENDURO 2T 300 | 2016 |
| BETA | RR ENDURO 2T 300 | 2017 |
| BETA | RR ENDURO 2T 300 | 2018 |
| BETA | RR ENDURO 2T 300 | 2019 |
| BETA | RR ENDURO 2T 300 | 2020 |
| HONDA | TRX EX SPORTRAX 400 | 1999 |
| HONDA | TRX EX SPORTRAX 400 | 2000 |
| HONDA | TRX EX SPORTRAX 400 | 2001 |
| HONDA | TRX EX SPORTRAX 400 | 2002 |
| HONDA | TRX EX SPORTRAX 400 | 2003 |
| HONDA | TRX EX SPORTRAX 400 | 2004 |
| HONDA | TRX EX SPORTRAX 400 | 2005 |
| HONDA | TRX EX SPORTRAX 400 | 2006 |
| HONDA | TRX EX SPORTRAX 400 | 2007 |
| HONDA | TRX EX SPORTRAX 400 | 2008 |
| HONDA | TRX R SPORTRAX 450 | 2004 |
| HONDA | TRX R SPORTRAX 450 | 2005 |
| HONDA | TRX R SPORTRAX 450 | 2006 |
| HONDA | TRX R SPORTRAX 450 | 2007 |
| HONDA | TRX R SPORTRAX 450 | 2008 |
| HONDA | TRX R SPORTRAX 450 | 2009 |
| HONDA | TRX R SPORTRAX 450 | 2010 |
| HONDA | TRX R SPORTRAX 450 | 2011 |
| HONDA | TRX R SPORTRAX 450 | 2012 |
| HONDA | TRX R SPORTRAX 450 | 2013 |
| HONDA | TRX R SPORTRAX 450 | 2014 |
| KTM | 450 SX ATV | 2009 |
| KTM | 450 SX ATV | 2010 |
| KTM | 450 XC ATV | 2008 |
| KTM | 450 XC ATV | 2009 |
| KTM | 505 SX ATV | 2009 |
| KTM | 505 SX ATV | 2010 |
| KTM | 505 SX ATV | 2011 |
| KTM | 505 SX ATV | 2012 |
| KTM | 525 XC ATV | 2008 |
| KTM | 525 XC ATV | 2009 |
| KTM | 525 XC ATV | 2010 |
| KTM | 525 XC ATV | 2011 |
| KTM | 525 XC ATV | 2012 |
| KTM | 85 SX | 2003 |
| KTM | 85 SX | 2004 |
| KTM | 85 SX | 2005 |
| KTM | 85 SX | 2006 |
| KTM | 85 SX | 2007 |
| KTM | 85 SX | 2008 |
| KTM | 85 SX | 2009 |
| KTM | 85 SX | 2010 |
| KTM | 85 SX | 2011 |
| KTM | 85 SX | 2012 |
| KTM | 85 SX | 2013 |
| KTM | 85 SX | 2014 |
| KTM | 85 SX | 2015 |
| KTM | 85 SX | 2016 |
| KTM | 85 SX | 2017 |
| KTM | 85 SX | 2018 |
- General Product Group
- Carburettor & Intake
- General Product Type
- Jet - Main
- Variant Id
- 228124
FULL DESCRIPTION
Pro-X Keihin Hex Main Jet - Size 155
This high-quality aftermarket main jet is designed for various Keihin carburetors, including CR, FCR, PJ, PWK, and PWM models. Featuring a size 155 designation (equivalent to OEM part number 99101-357), this jet ensures precise fuel delivery for optimal engine performance. It is part of the Pro X 45.155 series, known for its reliability and exacting standards.
- Part Type: Main Jet
- Carburetor Compatibility: Keihin CR, FCR, PJ, PWK, PWM
- Jet Size: 155
- Series: Pro X 45.155
- OEM Equivalent: 99101-357
- Material: High-quality aftermarket construction
Please Note: Jets are not refundable.
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.


