“Kool Nut” Rocker Arm Nut


  • Designed for Circle Track engines P/N 19258602 and 88958602
  • Can be used with any stamped steel rocker arm
SKU: 19210731 Categories: ,

“Kool Nut” Rocker Arm Nut

P/N 19210731

Special rocker arm nuts are used on GM Circle Track engine P/N 19258602, 88958602.

Can be used with any stamped steel rocker arm.


“Kool Nut” Rocker Arm Nut

19210731 Chevrolet Rocker Arm Components

For Stamped Steel Rocker Arms

When it comes to building the Small-Block engine for the project vehicle of your dreams, you don’t want to sacrifice performance or durability ヨ and that’s why you should trust Chevrolet Performance. They’ve been designing, testing and manufacturing Small-Block parts since 1955. Their engineers know what it takes to offer the finestquality parts for your Chevy.

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