High Compression Gasket Kit

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390 Series high compression gasket kit.
This gasket kit will raise the compression ration of the 390 motors by 1 point and correct the factories poor squish value. This will safely pull every ounce of performance out of the 390.
Kit Includes

  • Base and Head Gasket
  • New head bolts
  • Circlip
  • Appropriate spark plug for the compression bump
  • Exhaust gasket

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