OTC's Compression Tester Kit is ideal for use on all types of gasoline engines including domestic, import, motorcycle, marine, and small engines Why Pros Choose OTC OTC Corrosion resistant nickel plated finish Adapters work on both flat and tapered seat plugs Extra long 25" flex hose gauge assembly with quick coupler, allows easy viewing out of cluttered engine compartment 2-1/2" gauge features chrome bezel and rugged protective outer boot Dual scale gauge reads 0-300 psi and 0-2100 kPa Compatibility Compatible substrates: Chrome. Specifications Technical specifications for Compression Tester Kit Part No. 5606 Product Line OTC Manufacturer OTC Tools UPC 0073141341852 About OTC OTC is a trusted manufacturer of professional auto body and refinish products used by collision repair shops and restoration specialists across North America. Frequently Asked Questions What surfaces can OTC OTC be used on?OTC OTC is compatible with Chrome. Always ensure the surface is properly cleaned, degreased, and sanded before application to achieve the strongest adhesion and a professional finish. How fast does autofxmart ship OTC OTC?Most in-stock orders for OTC OTC ship the same or next business day from our US warehouse. Expedited options are available at checkout. Freight-class items may require an additional 1–2 days for carrier pickup. Is this OTC product genuine?Yes. autofxmart is an authorized distributor of OTC products. Every unit is factory-fresh, sealed, and backed by the manufacturer's standard warranty. If you have a concern, contact [email protected] and we will make it right. What is the manufacturer part number (MPN) for OTC OTC?The MPN for OTC OTC is 5606. Use this number when cross-referencing against TDS, SDS, or legacy supplier catalogs. Why Buy from autofxmart Authorized distributor — authentic, factory-fresh stock. Fast US shipping — most orders ship within 1 business day. 30-day returns — buy with confidence. Pro-shop pricing — bulk discounts available on request. Expert support — questions? Email us at [email protected].