Part numberK598M995AP Wiseco forged piston kit (4 pcs.) 99.50mm CR 9.0:1 Subaru Impreza WRX STI - 2.5 (EJ257)
€799.00
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Product detailed specification
Bore size
99.50mm
Stroke
79.00mm
Wiseco compression ratio (CR)
9.0:1
OEM compression ratio (CR)
8.0:1
Dome volume (CC)
-19cm3
Compression height (CH)
30.70mm
Pin diameter
23mm
Fits for
Subaru WRX STI 2.5 (EJ257)
Armor Plated wiseco pistons have almost a bronze colored tint to the top of the piston and the wrist pin bore. Wiseco's Armor Plating is an abrasion resistant plating that raises the hardness of the aluminum, increases the durability of the ring grooves, prevents micro-welding of the piston rings, reduces carbon buildup and combats corrosion caused by detonation. Wiseco's most popular pistons now include Armor Plating.
