Roller Rocker Arm Set, 1.6:1 Ratio


  • Set of 16 aluminum roller rockers
  • 1.6:1 ratio
  • 3/8″ stud
  • Self-aligning
SKU: 19210729 Categories: ,

Roller Rocker Arm Set

P/N 19210729

– Aluminum
– Set of 16, 3/8″ stud 1.6:1 ratio roller rockers
– Use P/N 19210725 for single service part

Notes: When using a high-lift camshaft, check valve spring coil bind, retainer-to-seal clearance and piston-to-valve clearance. Check for adequate pushrod clearance when using on cast-iron heads. It may be necessary to remove valve cover drippers for proper rocker arm clearance.

P/N 19210729 cannot be used on ZZ3 engines with orange valve springs.




Roller Rocker Arm Set

19210729 Chevrolet Rocker Arms

1.6:1 Ratio, Aluminum

These Chevrolet Performance aluminum roller rocker arms resemble the ones used in the 1996 Corvette LT4 engine, except the trunnions have been machined to fit early-model 3/8″ rocker studs. The arms are self-aligning with improved stiffness. They will accommodate up to 0.575″ valve lift. They are available in 1.5:1 and 1.6:1 ratios.

Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to