Check the listing for details. Hayabusa oil system upgrade kit. Condition: New. Listed at 159.99 USD. SAE Outlaw Performance oil system upgrade kit comes with a high volume oil pump hear and a high pressure oil relief valve. High Volume oil Pump gear gear is a direct bolt in replacement for the OEM oil pump gear. This gear increases the oil pumps output for more volume to your engines bearings and top end. It will also increase the pressure about 15% The billet high pressure oil valve increases the oil pressure to aporx 90-100 psi. Our gears are lighter than the others, and are heat treated for long life..They are also coated to prevent any corrosion. The SAE gear weighs is at approx. 15-18 grams lighter! When using the two together it will increase the oil pressure and volume. Purchasing the kit allows you to get the two at a discount. The kit will fit all year Hayabusas Gen 1 and Gen 2 models From 1999-present