ProDesign Cool Head

Billet machined design offers noticeable bolt on performace gains. Increased torque and power as a result of increasing compression. 

Larger water jacket area.

Oring kit.

Domes sold seperately: Pro Design Domes – Top Dog Racing

Replacement Cool Head Shell set for Pro Design Cool Head Shells.

Sold as a set.

You can return most new, unopened items within 14 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item). If you need to return an item, please contact us beforehand with the order number and information regarding the item(s) you would like to exchange. Please note, electronic items are non-refundable.

If you're purchasing one of our polished products, please use a new microfiber and a non-ammonia window cleaner to clean any fingerprints and grease. We recommend using Simi Chrome paste to touchup polished parts.