Mopar Chrysler BB 383 440 1.6 Stainless Steel Roller Rocker Arms W/ Hardware 5" diameter ring gear and

5" diameter ring gear and the GM 8

Speedmaster water pump spacers

Speedmaster rocker arm adjusting nuts are high-quality polylocks designed for full roller rocker arms

They feature larger radius stud fillets for extra strength

and these cast aluminum pans have a beautiful polished finish for great looks

Mopar Chrysler BB 383 440 1.6 Stainless Steel Roller Rocker Arms W/ Hardware 5" diameter ring gear andSpeedmaster extruded aluminum and stainless steel shaft mount rocker system includes steel shafts with pedestals. All rockers feature large needle bearings or bushes 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