Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection
Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection
Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection
Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection
Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection
Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection
Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection
Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection
Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection
Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection
Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection
Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection
Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection
Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection
Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection
Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection

Monograde High Performance Oil SAE 50 - 1 Quart for Superior Engine Protection

$26.63
/
Size
  • Free worldwide shipping
  • In stock, ready to ship
  • Backordered, shipping soon
  • Specially formulated using high quality, premium base stocks and select additive technologies to meet stringent lubricating demands of high performance, highly stressed street and racing engines.
  • Suitable for use in most naturally aspirated, turbocharged or supercharged gasoline engines.
  • Delivers excellent shock load and high temperature protection to heavily stressed engine parts including bearings, camshafts, rings, and pistons.
  • Good anti-foaming and shear stability characteristics, excellent high temperature protection from thermal breakdown, outstanding film strength, and strong anti-wear properties.
  • Size - 1 Quart

Product Description

  1. Origins of PennGrade

    Our story began with Kendall GT-1 Racing Oil circa 1965 at the Kendall Refinery in Pennsylvania.

  2. American Refinery

    WITCO Corp sold to ARG, Inc. then started its own brand of motor oil called Brad Penn.

  3. Original Green Oil

    After enthusiasts inquired about a Kendall GT-1, ARG launched PennGrade 1 High Performance Oil.

  4. D-A Lubricant Comp

    In 2015, D-A Lubricant Company, Inc. acquired the Brad Penn from ARG.

  5. 50-Plus Years

    This oil has been around 50-plus years for good reason. It stands for pride, passion and protection.

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About us

Refined Ride delivers premium automotive accessories built for performance, style, and lasting quality. Whether you're upgrading your daily driver or customizing your weekend machine, we source gear that meets high standards—so every drive feels like an upgrade. Trusted by car and truck enthusiasts nationwide.