For 6AN x 1/4 NPSM GM Turbo 350 400 700R4 4L60E Gearbox Oil Cooler 90 Degree Banjo Fittings 1/4NPSM Radiator Gearbox Banjo Fittings. One pair-6 gearbox cooler banjo fittings with 1/4NPSM bolts. These banjo fittings are less than 1 inch tall. The banjos and bolts are steel, galvanised and fitted with aluminium washers. You'll want to check the surface of the trans case to make sure it's flat with no nicks/grooves that would prevent the washer from sealing.6x1/4NPS is the correct size for GM turbo 350, Turbo 400, 700R4, 4L60E, early 4L80E with both ports toward the front of the case. It is always best to remove the factory adapters and measure the outside diameter of the threads. They should be 0.521 inches. Color: Silver + BlackMaterial: Aluminum + Steel Package Contents: 2 x Transmission Oil CoolerNote: The banjos are in 6061 aluminum and the screws are steel with silver zinc. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.