Greasecar PEX Tubing - This tubing is the stock replacement for all of our hose-in-hose applications. PEX tubing offers excellent durability, heat transfer, and allows for hassle-free installation. Available in 3/8" and 1/2" OD sizes. All automotive kits and most pre-2010 truck kits came with 3/8" OD PEX. If you're unsure, check with Greasecar to make sure you are getting the correct size for your application.

• Heavy-Duty
• Easy Installation
• Available in two sizes

*To make this process a little easier, use a sharp knife to bevel the end of the PEX. It also helps to lubricate the end of the PEX. SEE PIC: