Lokar offers a flexible engine dipstick designed with machined aluminum handle to coordinate with their Flexible Transmission Dipstick. Slim design allows mounting inside headers. Designed for use with factory or Sanderson cast manifolds. Applications for GM and Ford. E-Z read stainless stick for accurate measure of engine oil. Note: GM 1979 or earlier is on the driver's side. GM 1980 or later is on the passenger's side.