Amazon.com: FIRSTINFO F3929 Banjo, 3/8”, 5/16”, 1/2” Auto Steel Line Stopper Kit Fluid Stopper Set for Fuel Rail Hose, A/C Line, Brake Line, Banjo Fitting : Automotive
Turbo Water Banjo Bolt Kit M14x1.5mm to 5/16" Barb (0.32") (8mm) | eBay
Banjo Bolt, 5/16-24 - Single Banjo, Stainless Steel | Pegasus Auto Racing Supplies
BANCOM3: Single banjo - 1/4" BSP thread, 5/16" pipe OD compression fitting - Banjo Fittings for Fuel - Fuel, Brake and Clutch Hose and Fittings - parts | Flexolite
Double Banjo Bolt for Warm-up Regulator connection (e.g. Porsche)