Ford Focus ST 2.5L 20V

  • Crown requires no deburring or preparation
  • 2618 T6 high tensile forged aluminum
    New Asymmetrical FSR forging! State of the art asymmetrical skirt technology reduces friction and mass while providing a more rigid and durable platform (Skirt Style F)
  • In this environment, higher boost levels or heavy nitrous usage necessitate JE's wrought 2618 alloy
  • FSR pistons include offset pins for quiet operation
  • Dished pistons feature new Smooth Finished Crown process for excellent flame travel
  • 1.0 x 1.2 x 2.8mm ring widths
  • .827 x 2.250 straight wall carbon steel wrist pin provided
  • Pin fitting, rings and wire locks included
Part # Brand Bore Stroke Rod Deck Head CC Comp. Ratio Comp. Height Crown Vol. Ring Set Head Type Stock Action
312416 JE Pistons 3.307 3.669 5.630 8.583 51.0 8.5 1.118 -7.20 JG1001-3307 Inv Dome/Dish Back Order
312415 JE Pistons 3.287 3.669 5.630 8.583 51.0 8.5 1.118 -7.20 JG1001-3287 Inv Dome/Dish Back Order
312414 JE Pistons 3.268 3.669 5.630 8.583 51.0 8.5 1.118 -7.20 JG1001-3268 Inv Dome/Dish Back Order