This kit includes part number PTR29-35090 main unit and PTR29-35093 - the installation kit. The installation kit includes all the necessary hardware and instructions for installation, along with warranty information. Fits Toyota Tacoma 4.0 V-6 2 and 2 FJ Cruiser. This item has been discontinued and is extremely difficult to find. This supercharger is brand new and the box has only been opened to verify that all parts are complete and to take photos. (For your information, the installation kit and main unit were combined into the same box by the retailer I bought it from for convenience in shipping, and the main unit has never been taken out of the box). The price includes domestic shipping via UPS Ground, or I will deliver within 60 miles of Savannah, GA. I accept Payment through Paypal only. Absolutely no returns; please ask all questions before purchasing. (No sneers or jeers, please). Thanks for reading!