Websites, domains, hosts that links to thumperracing.net

We've been in the Big Bore Four Stroke industry for many years and have seen them come and go. Our kits and components have undergone extensive torture tests in the real world with real customers, real racing, real endurance riding, and we have fed that information into our big bore kits.

CP Pistons Carrillo Industries, Inc., offer high quality performance products with excellent customer service. We strive to provide the best internal engine components to the customer; offering both pistons and rods.