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4.040" Bore 5/64"-3/16" Moly standard fit piston rings.

FMP E251K40
Pricing: $35.89


Speed Pro Piston Rings-4.040" Bore 5/64"-3/16" Moly standard fit piston rings

Speed Pro Piston rings dominate the racing industry with technically advanced design; dedicated research; and superior quality. Speed Pro rings deliver superior performance under grueling race conditions every weekend; on oval tracks; and drag strips world wide.


  •          350/383
  •          Ring Material 5/64”; 3/16”
  •          Std; 20; 30; 40; 60


  • FMP E251K40
  • FMP E251K40
  • Speed Pro
  • Available
  • New


Shipping Information

  • Item Requires Shipping
  • 2.0 lbs.

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