Refer to the vehicle owners or service manual for proper engine oil and break-in period. Do not drive for long periods at any single speed, always vary your speed, tow a trailer or put other heavy loads on the vehicle during break-in. Check the engine oil and coolant levels daily.

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART