Ready to Order? Send Us Your Heads!

Because our CNC porting is a custom service performed on your existing cylinder heads, we need you to send them to us. Here’s a simple, step-by-step guide to get your heads ported and on their way back to you.

Engine cylinder head with black cooling fins and silver machined parts against a black background.

    • Download: Work Request Form

    • Print & Fill: Fill out the form as accurately as possible. This form tells us exactly what service you need and provides your contact and shipping information.

    • Include the form: Place the completed form inside the box with your cylinder heads.

    • Pack securely: Protect your heads with packing material to prevent damage during transit.

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

    • Once we receive your heads and form, our team will perform the precision CNC porting service to your heads. We'll notify you when we begin the work or if we have any questions.

    • Payment is due upon completion. Once the service is finished, we will send you an invoice.

    • Quick turnaround: As soon as payment is received, we will ship your ported heads back to you, ready to be installed.

    • This service typically requires you to send in your existing cylinder heads for modification.

    • If you'd prefer to purchase a set of core heads, we do have limited availability.

    • Contact us to check our current stock of core heads and reserve a set. (Please specify color and type, such as: Black or Black Granite, Oil-Cooled or Twin-Cooled)

    • No worries! See below to reach our team and discuss your specific needs or to place an order. We can walk you through the process.

Twin CAm Inquiry Form

Download the Work Request Form:

WORK REQUEST (PDF)

DOWNLOAD