+3 90 Degree Elbow Silicone Coupler with Clamps KB-90-COUPLER $36.95 In stock Quantity: 1 Add to Bag Product Details 3.0" ID, 4 Ply Silicone, 90 Degree Coupler This coupler is provided in our GM 6.5l connector tube & Ford 6.7l PSD cold side kits. Save this product for later Favorite