Subaru 1997-1999 Subaru Impreza , Forester, Legacy EJ25

  • Dome/Dish requires no deburring or preparation
  • 2618 T6 high tensile forged aluminum
  • JE designs are specifically engineered for extreme applications up to, and including, professional competition. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy
  • Dome and dishes feature smooth flowing radii for excellent flame travel
  • 1.2 x 1.2 x 2.5mm ring widths
  • .905 x 2.500 (Round Forging) and .905 x 2.250” (FSR Forging) straight wall carbon steel wrist pin provided
  • Pin fitting and Tru Arc locks included
  • Rings Now Included
Part # Brand Bore Stroke Rod Deck Head CC Comp. Ratio Comp. Height Crown Vol. Ring Set Head Type Stock Action
314339 JE Pistons 3.927 3.110 5.167 7.913 46.0 11.5 1.191 -1.30 JG4901-3927 Dome In stock
314337 JE Pistons 3.937 3.110 5.167 7.913 46.0 8.5 1.191 0.00 JG4901-3937 Inv Dome/Dish Back Order
314340 JE Pistons 3.937 3.110 5.167 7.913 46.0 11.5 1.191 -1.50 JG4901-3937 Dome Back Order
314338 JE Pistons 3.917 3.110 5.167 7.913 46.0 11.5 1.191 -1.00 JG4901-3917 Dome Back Order
314336 JE Pistons 3.927 3.110 5.167 7.913 46.0 8.5 1.191 -24.80 JG4901-3927 Inv Dome/Dish Back Order
314335 JE Pistons 3.917 3.110 5.167 7.913 46.0 8.5 1.191 -24.40 JG4901-3917 Inv Dome/Dish Back Order