Royal Purple XPR Extreme Performance Racing Synthetic Motor Oil - 10W40 - 5 Gallons EGG Use of a restrictor plate

Use of a restrictor plate increases the water pressure in the blockSince 1938

5 in Deep x 12 in Tall

In most cases this type of drive will work

ensuring that youre getting maximum performance from your engine

Easy to install and use

Royal Purple XPR Extreme Performance Racing Synthetic Motor Oil - 10W40 - 5 Gallons EGG Use of a restrictor plateRoyal Purple XPR Extreme Performance Racing oils are formulated for demanding applications such as racing, modified engines and off road use. XPR's high film strength make it exceptionally well suited for today's high performance cars and trucks, particularly turbo and supercharged engines and or engines using a nitrous boost. Royal PurpleXPR produces winning results on the race track and is safe enough to use in your daily commuter car. Professional