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Proform Parts 66921 - Stamped Stock (non-roller) Long Slot Rocker Arm - Chevy Big Block, 1.7 Ratio, 7/16" Stud

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

Pricing: $101.05


Perfect for use when a roller tip is not required. Proven OEM quality. Extra long slot eliminates rocker to stud interference when using high lift cams. 16 rockers, grooved balls and nuts per package.

Application List



  • 66921
  • 66921
  • 037995669219
  • Proform Parts
  • New

Shipping Information

  • Item Requires Shipping
  • 5.0 lbs.
  • W7.2500” x H3.0000” x L7.2500”

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