Subaru 1999-2005 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
314344 JE Pistons 3.917 3.110 5.181 7.913 50.0 11.5 1.162 3.00 JG4901-3917 Dome Back Order
314345 JE Pistons 3.927 3.110 5.181 7.913 50.0 11.5 1.162 2.70 JG4901-3927 Dome Back Order
314343 JE Pistons 3.937 3.110 5.181 7.913 50.0 8.5 1.162 -21.20 JG4901-3937 Inv Dome/Dish Back Order
314346 JE Pistons 3.937 3.110 5.181 7.913 50.0 11.5 1.162 2.50 JG4901-3937 Dome Back Order
314341 JE Pistons 3.917 3.110 5.181 7.913 50.0 8.5 1.162 -20.40 JG4901-3917 Inv Dome/Dish Back Order
314342 JE Pistons 3.927 3.110 5.181 7.913 50.0 8.5 1.162 -20.80 JG4901-3927 Inv Dome/Dish Back Order