Product Details Features and Benefits:
• 7/16-20 female conversion adapter for Champion and 3M
• For GM, Chrysler and Jeep PFI Systems
• Use with OTC 7211 100 PSI fuel injection gauge assembly
• Use with OTC 7448 Canister type fuel injector cleaner
• Adapts to any existing set of Champion or 3M access fittings
• Fuel Injection Adapter. 7/16 x 20 for GMC and Chrysler.