Ready to Order Your Big Bore Kit?

Our Big Bore Kits are designed to deliver maximum power and performance. With so many configurations available and the custom nature of these high-performance components, we want to ensure you get exactly what you need for your build.

Motorcycle engine components including cylinder, piston, piston rings, gaskets, wrist pin, and circlips, arranged on a black background.

How to Order 132”/136” Kit

    • Before placing an order, please Contact Us to discuss your specific needs and confirm availability.

    • We'll help guide you through the available options, including compatible pistons and components, ensuring every part is tailored to your setup.

    • Once your kit details are confirmed, we will send you an invoice. Payment for the new cylinders and all other kit components is due at this time.

    • Upon receipt of payment, we will precision bore your new S&S cylinders. We will also set the ring end gap and check all the clearances to make sure everything is ready to be installed onto the bike when you receive it.

    • We will then ship your kit directly to you, ready for installation.

    • Install your new Ward Performance 130 CI Big Bore Kit and experience a significant boost in power and performance!

    • If you're still unsure about the process, don't hesitate to Contact Us. We're here to help!

How to Order 143” Kit

    • Please Contact Us to discuss your specific needs and confirm availability before shipping.

    • Package your stock Harley cylinders securely to prevent damage during transit. Due to the larger bore size required for the 143 CI kit, your cylinders will be resleeved and then precision bored.

    • Ship your package to: 24015 112th St NW, Zimmerman, MN 55398.

    • Once we receive your cylinders, our team will begin the resleeving and precision boring process.

    • We will also set the ring end gap and check all clearances to make sure everything is ready to be installed onto the bike when you receive it.

    • Payment is due upon completion of the custom work and kit assembly. Once the service is finished and payment is received, we will ship your completed 143 CI kit, including your modified cylinders, back to you.

    • Install your new Ward Performance 143 CI Big Bore Kit and experience the ultimate in M8 power!

    • If you're still unsure about the process, don't hesitate to Contact Us. We're here to help!

Big Bore Kit Inquiry Form