K-Series Oil Return Drain Timing Tensioner Cover - 10AN - K20A, K20Z, K24A (exc K24Z) - KTCC-10ANThis is a solution to easily allow the addition of an oil return line or oil catch can drain without any drilling or welding! Great for any turbo setup (sidewinder top mount setups) needing to add an oil drain. For this design, we compensated for the clearance of the crank pulley and designed the plate to be slim enough to clear trouble free. Includes: Billet Timing Chain Tensioner Cover Plate AN10 ORB fitting 1 x O ring seal 3 x Seated Allen Head