Lang Tools offers a selection of automotive service tools. Lang Tools offers valve spring compressors, piston ring compressors, piston ring groove cleaners, oxygen sensor/vac switch sockets, fuel filter cap tools and universal filter wrenches.

Engine valve spring compressors can be used to compress valve springs on overhead valve and L-head engines on cars, trucks and tractors. Lang Tools offers valve spring compressors in variable sizes, jaw openings and throat depths for use on multiple engine models.