Ford SB 289 302 351 Windsor Shaft 1.7 Zero Offset Stainless Steel Rocker Arms Have you lost that vacuum

Have you lost that vacuum feeling

Speedmaster axle stubs are machined from solid billet 4340 material

Constructed from a composite material with a steel core

They include the crankshaft hub adapter and input shaft

Ford SB 289 302 351 Windsor Shaft 1.7 Zero Offset Stainless Steel Rocker Arms Have you lost that vacuumSpeedmaster extruded aluminum and stainless steel shaft mount rocker system includes steel shafts with pedestals. All rockers feature large needle bearings and roller tips. For extreme high performance applications. They not only unleash horsepower, but they also lengthen valvetrain component life and reduce wear and tear on valve stem tips. These rockers are precision machined to ensure consistency and ratio accuracy and have a great looking finish.