Rollmaster Timing Sets are produced using nitrided K1045 Billet Steel for both the crank and camshaft sprockets, unless otherwise noted. Timing chain sets have either 7 or 9 keyways, allowing 1° camshaft timing adjustment. Rollmaster IWIS chains are constructed with .375 Pitch with .250 diameter rollers. Line Bore Sets are available in .002” - .005” - .010’ oversize.
Rollmaster Gold sets are nitride hardened and include a one-piece Torrington bearing with an IWIS chain. Most have 9 way adjustable crank gears, providing 1° cam timing adjustments.
Rollmaster Red Series timing sets come standard with premium grade one-piece IWIS full roller timing chains in either a single or double roller design. Every small and big block Chevrolet comes standard with a brass thrust washer. Rollmaster includes brass thrust washers with most timing sets, including Ford, for increased performance and reliability. All chains are .375 pitch British Standard .250 full roller Single or Double Row chains.
Rollmaster Gold Timing Sets normally feature Nitride hardened cam and crank gears and include a one-piece Torrington bearing or a brass thrust washer with an IWIS chain. Gold Timing Chain sets have 9 keyway crank gears, unless otherwise stated, which allow camshaft timing adjustments in increments of 1°. Rollmaster Timing Sets are light weight and stronger than any other timing set available, due to the weight savings of billet steel and use of advanced CNC machinery.
Rollmaster Vernier Gold Timing Sets normally feature Nitride hardened cam and crank gears and include a one-piece Torrington bearing or a brass thrust washer with an IWIS chain. Vernier Gold Timing Sets have a single keyway crank gear, with a two-piece cam gear, allowing infinite camshaft timing adjustments. Rollmaster Vernier Gold Timing Sets are manufactured of K1045 billet steel and are stronger than any other timing set available.
