HD Primary Chaincase Oil

Lucas Oil Products, Inc.

HD Primary Chaincase Oil

Lucas HD Primary Chaincase Oil is a blend of easy flowing base oils and a Lucas additive package designed to carry away more heat from the clutch plates and friction plates. This assures a longer more trouble-free clutch life.

Expect a smooth clutch action, less slippage, longer chain and sprocket life and a much longer oil life.


Primary Chaincase Oil is a coolant for the clutch, not a lubricant.

Key Benefits

  • Cool & Quiets
  • Designed for heavy duty high performance situations
  • Meets or exceeds all OEM requirements


  • #10790 - 946ml


Safety Data Sheet Safety Data Sheet
Safety Data Sheet Technical Data Sheet

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bill (ratchett) willoughby

Hey Forset and company, Just wanted to let you guys know that I have been using lucas for 20 years and still lovin and using all of your products, and got so excited when I seen that you now have a motorcycle oil. And as far as my ole ford 442689 miles and still runs like new good oil pres. and uses 0 oil between oil changes. ( still like it on my ceral and pancakes) thanks a bunch

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