Royal Purple Duralec Ultra 10W30 Synthetic Motor Oil - 1 Gallon RS004C19 1981-1990 GMC P3500

1981-1990 GMC P3500

Made of soft pliable rubber to flex easily

relief spring

Fits Most Domestic Stock Wheels (GM & Ford OEM Wheels)

The annular flow booster design delivers improved fuel atomization to eliminate flat spots that may be encountered when the carburetor transitions from idle to full throttle

Royal Purple Duralec Ultra 10W30 Synthetic Motor Oil - 1 Gallon RS004C19 1981-1990 GMC P3500Product Description: Motor Oil Duralec Ultra 10W30 Synthetic 1 gal Jug Royal Purple was founded in 1986, but its roots go back much further. Royal Purple Motor Oil increases horsepower and torque. Royal Purple XPR Extreme Performance and Royal Purple XPR Racing oils are formulated for ultra performance applications such as racing, modified engines and off road use. Professional engine builders and race teams have cited increased horsepower and torque,