Manley 42139TM-8 Valve Lash Cap .311 Valve Wear Tensilemax

Manley Valve Lash Cap Set-TensileMax Wear Cap - 0.3110 in. Stem (5/16 in.) Manley TensileMax Wear Caps (Lash Caps) are precision-machined from proprietary TensileMax alloy steel to provide exceptional wear resistance and durability in high-performance valvetrain applications. Heat treated for maximum strength and designed to protect valve stem tips from premature wear, these caps help maintain consistent valve lash while extending valve life. Ideal for aggressive camshaft profiles, high spring pressures, and demanding racing environments where reliability is critical. Precision machined from TensileMax UHSS (Ultra High Strength Steel) Thru-hardened to HRc59-61 to minimize wear due to aggressive rocker contact Proprietary heat treatment processes minimize distortion