JCS Performance

09/18/2026

Wanted to show you all why its important to do a full service and change your air filter element. Thanks for watching.

09/15/2026

Installation video of our External Breather line kits on a Screamin Eagle air cleaner system. Available on our website www.jcsperformance1.com feel free to contact us with any further questions.

09/14/2026

Wanted to show you all our External Breather Line kits. These kits converts your S&S and Screamin Eagle air cleaner assembly into an External Breather system. This will help route all the oilly mist and grime into our Catch Can. Keeping it from going g back into your motor. Up on our website www.jcsperformance1.com thanks for watching.

09/14/2026

09/10/2026

Performance exhaust gaskets for Harley, and why its important to use them on a performance motor on your Harley motorcycle. Feel free to contact us with any further questions. JCS Performance

09/09/2026

We have more flanges going out the door. THANK YOU all who have purchased and continue show interest on our JCS Performance Harley Head Porting Fl**ges. They are on our website site now www.jcsperformance1.com feel free to contact us with any questions.

09/08/2026

...Star Racing... Wanted to take this opportunity to answer a great question on the George Bryce Star Racing 2.5mm over size valves and spring kit. If you have any further questions feel free to contact us JCS Performance

09/08/2026

Harley Rocker Box Spacers are now available on our website www.jcsperformance1.com Giving you the ability to run a higher lift cams on your Harley Twin Cam. Feel free to reach out to us for any further questions. Thanks for watching.

09/04/2026

...QUESTIONS...We have had a few questions on our Harley Head Fixture Table. Hope this helps you all out. For any further questions feel free to contact us. JCS Performance

09/01/2026

...How its Made... short video on what it takes for us JCS Performance to manufacture an Harley Exhaust Porting Fl**ge. Enjoy!!! #