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HOME > Engine Parts > F6A/K6A Forged Piston Kit (Standard Bore)
F6A/K6A Forged Piston Kit (Standard Bore)

-Easy to install:
Doesn't need cylinder block modyfy.
Just install like standard pistons.
(Same displacement)

-Piston detail (profile, clearance, thickness, strength, weight balance, etc) is designed by engine development group of WRC team.

-"Gas sealing" and "Gas blow-by" and "Oil consumption" will be improved by modified piston design.

-Material is forged aluminum, correspondence with severe situation such as circuit driving.


 

 

Supporting ribs located at Piston Skirt in order to reinforce regions.

 

Standard Piston

 

  131565-9240M
F6A DOHC Turbo
131568-9440M
K6A DOHC Turbo
Displacement 657cc 658cc
Piston Dia Dia 64.97mm Dia 67.97mm
Compression height 26.5mm 25.5mm
Piston Crown 9.6cc 7.3cc
From Cylinder Block Top 0.2mm 0.2mm
Compression  8.3 *1 8.4 *2
Piston Pin Dia φ18mm φ18mm
Piston Weight (pc) 154g 165g

 

*1 This compression ratio is measued with Monster head gasket 1.4t Dia67 171114-9200M

*2 This compression ratio is measued with Monster head gasket 0.7t Dia69 171107-9401M

Note: Please measure compression ratio after installing.

 

 

 

Part Name
Part number
Price
Model
Buy Online
F6A Forged Piston Kit [Dia65]
131565-9240M
F6A DOHC turbo
K6A Forged Piston Kit [Dia68] 131568-9440M
K6A DOHC turbo
Recommendation item: Monster head gasket


Contents -Forged Piston X3
-Piston ring set X3
-Piston Pin X3
-Circlip X6


 


 
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