Check the listing for details. INNOVA 3612 Compression Tester - 4 Piece Kit. Condition: New. Listed at 39.79 USD. INNOVA 3612 Compression Tester - 4 Piece Kit The INNOVA Compression Tester Kit is a diagnostic tool which can help you identify damaged pistons, worn rings, burnt valves, and blown head gaskets. It works on conventional, electronic, and computerized domestic and import vehicles. It features a large 2-1/2-inch dial face with accurate Bourdon tube meter movement, dual-calibrated and color-coded scales which reads 0-300 and 0-2100 . It has a 15-in high-pressure rubber hose which is oil and grease resistant, a side-release valve which allows repeated tests without disconnecting the hose, and 14mm and 18mm adapters that fit most vehicles. A 12mm adapter is also provided which can be used for most motorcycles, ATV's, snowmobiles and marine applications. Features Designed to perform compression tests to help identify damaged pistons, worn rings, burnt valves, and blown head gaskets Works on conventional, electronic, and computerized domestic and import vehicles Includes 15-inch rubber hose, side release valve and adapters (12mm, 14mm and 18mm) Can also be used for motorcycle, ATV, snowmobile, and marine applications Shipping We strive to ship all orders the same day or next business day. Once an order is shipped, we will email you a tracking number. We ship to all USA states except Puerto Rico, Hawaii, Alaska, APO/FPO/DPO and international destinations. Please make sure you enter the correct shipping address at the checkout. We will not make any changes to the shipping address once you place the order. Returns For any exchange or refund, we need the original receipt or a record of the purchase in our system, and the product must be in its original condition, including the box, UPC bar code, packaging, and all accessories. Please contact us before returning an item to get a RMA number. Any return without a RMA number will not be accepted or processed. All returns should be accompanied with a tracking or delivery confirmation number back to our warehouse. Please allow up to 10 business days for returns to be processed.