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

Engine type

EJ20T for GC8 sti Ver.I~IV EJ20T for GC8 sti Ver.V,VI & GDB
Part No. 13030-EJ2-0T0
Price (set) ¥119,000
Bore×Stroke ø92.50×75mm (standard stroke)
Displacement 2016cc
Crown Volume *1 -11.0cc/-12.3cc
Projection Height *2 -0.2mm
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.
CAUTION: Depending on engine condition or specification, this product could have distinctive tapping sound during warm-up or low load (low rev) conditions.