XP8 5W-30 | Case (12 Quarts) Big Block Chevy 66" Thread Size: 13/16-16 By-Pass

66" Thread Size: 13/16-16 By-Pass Valve Setting-PSI: None Anti-Drain Back Valve: No Max Flow Rate: 28 GPM Nominal Micron Rating: 61

DBR promotes proper surface mating during the critical break-in process and chemically assists with piston ring sealing

Can also be used in vintage race applications

4L 454 CID Big Block GP-1 10W-30 Synthetic Blend

XP8 5W-30 | Case (12 Quarts) Big Block Chevy 66" Thread Size: 13/16-16 By-Pass12 Quart Case of XP8 5W 30 Excellent low cost drag and circle track racing oil. A high Zinc, Petroleum formula racing oil, XP8 offers low cost protection for racers who want to use non synthetic oil. Recommended applications include small block, flat tappet camshaft engines and tight clearance nitrous engines (under . 0027"). Perfect for bracket racers. Viscosity typical of 5W 30. WARNING: XP 8 Racing Oil is formulated for Extreme Racing Applications