Martin Wells Industries


Martin Wells Industries is an eighty two year old engine parts manufacturing company supplying the Original Equipment Market and the Replacement Market worldwide.

Our Valve Seat Inserts and Valves have set the standard for performance and reliability in the engine parts industry for many years.

The parts are manufactured using advanced technologies to meet the exacting standards and specifications required to deliver maximum performance in today’s engines.

The name Martin Wells is known throughout the world for quality in engine parts.

 “An Answer To Valve Wear,” an independent study and investigation into engine valve and valve seat wear, which found… “The ‘WELL-TITE’ valve seat delivers the total performance capability required for today’s engines to insure continuing maximum compression and horsepower.”


WELL-TITE is designed and engineered for all critical engine applications such as propane, natural gas, turbo charged, and performance engines, and for on road and off road competition. It is also recommended for all engine applications where high temperature and heavy load factors demand the WELL-TITE performance.

WELL-TITE is used extensively on a world-wide basis in the following industries: automotive, light industrial, heavy industrial, marine, gas transmission, railroad, utilities, both in the Original Equipment and Replacement Markets.

Both WELL-TITE and MAR-TITE Valve Seats are available in 12,000 different sizes and all seats can be ordered in oversizes of +.005. +.O10, +.015, +.020. +.030


The MAR-TITE Valve Seat is a premium seat engineered to deliver valve and seat performance under unleaded fuel conditions.

It is a quality product, designed for rapidly growing engine market needs, which now require the performance of a premium seat but not always the total super alloys the WELL-TITE Valve Seat delivers, and is offered at an extremely attractive price for a premium quality valve seat.

All Martin Wells Valve Seats are available in either WELL-TITE or MAR-TITE material. All valve seats are packaged 12 to a box and individually marked with the part number and actual outside diameter.