EJ20T Forged Piston KIT Spec8.7 for Ver.I ~ VI & GDB
EJ20T IMPREZA GC8 sti Ver.I~VI & GDB
Defric coating (Lubricous film) is applied to the piston skirt, for a reduction in friction and loads as well as improved durability.
EJ20T Forged Piston KIT Spec8.7 for GC8 sti Ver.I~VI & GDB
EJ20T for GC8 sti Ver.I~IV
EJ20T for GC8 sti Ver.V,VI & GDB
ø92.50×75mm (standard stroke)
Crown Volume *1
Projection Height *2
Reference C/R *3
GC8 sti Ver.I~IV standard head GK t=1.4mmξ≈8.5:1
GC8 sti Ver.V,VI,GDB standard head GK t=0.55mmξ≈8.7:1
*1:Crown volume is measured "from the piston shoulder"/"from the deck of the block".
*2:Piston shoulder height is measured from the deck of the block.
*3:The compression ratios given above are only to be taken as a guide, measurements are required.
Depending on engine condition or specification, this product could have distinctive tapping sound during warm-up or low load (low rev) conditions.