Around the world, engine and truck makers face a fierce reality of ever-changing regulatory and environmental requirements coupled with intensified end-customer demands driven by the need for greater performance and lower cost. The volatile economic environment of the...

OVER 70 YEARS of world-class commitment to quality. The L.E. Jones Company is the world's largest manufacturer of heavy-duty valve seat inserts. That's virtually all we have done since our founding in 1941—and we do it better than anyone else in the...