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H22 pistons

Discussion in 'Engine Building' started by egzivic, Aug 23, 2004.

  1. egzivic

    egzivic Junior Member

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    Have a JDM H22A with blown ring lands on #1 and #2 piston. Are JDM pistons the same as USDM pistons?
     
  2. dohcvtec_accord

    dohcvtec_accord WRX Sellout

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    No, USDM is 10.2:1 CR, while JDM is 10.6:1 CR. Otherwise, they're interchangeable. If you're considering swapping pistons, check out the Type S pistons....11.1:1 CR, and will work with your stock rods.
     
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