Lobe Sep Int Exh: 107 113
but only if the threads are rolled after heat-treatment
Dimension D:
Valve Stem Size: All
Bearings are 3/4 grooved for optimum oil supply plus increased bearing surface area
Engine Pro Performance Racing Rings 43M5510 Lobe Sep Int Exh: 107Engine Pro Performance Racing Rings 43M5510 Specifications Size: Std, . 005, . 020, . 025, . 030, . 035, . 040, . 045, . 060 Bore Size: 4. 1250, 4. 1300, 4. 1450, 4. 1500, 4. 1550, 4. 1600, 4. 1650, 4. 1700, 4. 1850 Sold in a Set of 8 Applies to: 1 16" 1 16" 3 16" Low Tension Description: None PREMIUM DUCTILE PLASMA MOLY Shell molded High tensile strength Withstands extreme temperatures Virtually unbreakable Impact resistant plasma moly alloy TOP