Royal Purple 5W-30 HMX High-Mileage Motor Oil 4.73L # 11748 Cylinder Head and the LS Retro-Fit oil

and the LS Retro-Fit oil pan fit the subframe perfectly while still offering excellent oil control under high cornering loads

If your vehicle is equipped with a plate type nitrous system or supercharger

The precision J-form threads are rolled after heat-treat for much stronger threads than the competition

GM 87 ONWARDS CHROME ALUMINUM SCREW IN OIL CAP # S6696C

Royal Purple 5W-30 HMX High-Mileage Motor Oil 4.73L # 11748 Cylinder Head and the LS Retro-Fit oilEngine Oil, HMX High Mileage, Synthetic, 5W30, 5 Quart Container, Each Oil Type: Synthetic Engine Oil Weight: 5W30 Break In Oil: No ZDDP Enhanced: No API Rating: SN Plus Oil Volume: 5 quarts Quantity: Sold individually. Royal Purple HMX High Mileage Motor Oil Royal Purple HMX high mileage motor oil is specially formulated with robust zinc phosphorous anti wear additives and proprietary Synerlec technology to minimize aging and restore lost engine