Red Line 15W50 Motor Oil - Case of 12-1 Quart Competition Engineering Duration 287 / 289

Duration 287 / 289

averaging an 11 CFM increase from

Billet Metering Blocks - CNC Machined w/ 4-stage emulsion provide more precise fuel metering

It is designed for x-member clearance in street stock and late models using

MSD Digital 6AL Controller

Red Line 15W50 Motor Oil - Case of 12-1 Quart Competition Engineering Duration 287 / 28915W50 Motor Oil Case 12 x 1 Qt For wider bearing clearances and racing engines that see occasional street use. Popular in turbocharged applications. 25% more viscosity than petroleum 20W 50s. Not recommended for use in cold climates ( 20C 4? F for 15W50) Recommended for API SN SM SL SJ SH SG CF and ACEA A3 B3 B4 Features: Fully synthetic ester formula for passenger cars, light trucks, performance vehicles and marine applications In 1979, Red Line