The Penn Grade 1^® Partial Synthetic SAE 10W-30 is a truly versatile High Performance Oil suitable for engines used both on the street and/or the track.  The multi-viscosity grade and synthetic components facilitate cold starting and quicker engine warm-up while insuring adequate engine protection during competition.

BRAD PENN PENN-GRADE 1 Multi-grade High Performance Oils are specially formulated using high quality PENN-GRADE
base stocks and select additive technologies to meet the stringent
lubricating demands of high-performance, highly stressed, street and racing engines.

BRAD PENN PENN-GRADE 1 Multi-grade High Performance Oils deliver excellent shock load and high temperature protection to heavily stressed engine parts including bearings, camshafts, rings, and pistons. They reduce internal friction for increased horsepower output while maintaining their strong lubricating film protection even under the most
demanding torque and extreme temperature conditions. These high performance formulations also provide good antifoaming and shear stability characteristics, excellent high temperature protection from thermal breakdown, outstanding film strength, and strong antiwear properties.

Please Note:
Penn Grade 1 High Performance Oils contain high zinc and phosphorous additive concentrations which can be detrimental to cars and trucks with catalytic converters. Always consult your owner's manual for proper oil selection.