K20A CIVIC TypeR, INTEGRA TypeR, ACCORD EuroR
Defric coating (Lubricous film) is applied to the piston skirt, for a reduction in friction and loads as well as improved durability.

K20A High Comp Forged Piston KIT

Engine Type

K20A K20A K20A K20A N+
Part No. 13010-K20-001 13020-K20-001 13030-K20-001 13010-K20-000
Price (set) ¥108,000 ¥108,000 ¥108,000 ¥108,000
Bore×Stroke
(standard stroke)
ø86.00×86.0mm ø86.50×86.0mm ø87.00×86.0mm ø86.00×86.0mm
Displacement 1998cc 2022cc 2045cc 1998cc
Crown Volume *1 10.1cc/10.1cc 10.1cc/10.1cc 10.1cc/10.1cc 15.5cc/15.5cc
Projection Height *2 ±0mm ±0mm ±0mm ±0mm
Reference C/R *3 *5 TODA head GK
t=0.3mmξ≈12.6:1

Standard head GK
t=0.6mmξ≈12.1:1
TODA head GK
t=0.3mmξ≈12.7:1

Standard head GK
t=0.6mmξ≈12.2:1
TODA head GK
t=0.3mmξ≈12.8:1

TODA head GK
t=0.6mmξ≈12.3:1
*4
Standard head GK t=0.6mmξ≈13.6:1
*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.
*4:TODA gasket is required. (Standard head gasket can not be used)
*5:K20A designed using 51.5cc as combustion chamber volume.