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Forged Pistons Wiseco Subaru Impreza WRX STI EJ255 EJ257 99,75MM 9,05:1
US-K598M9975AP
Wiseco pistons are made from dedicated forgings produced in-house to give you a light weight piston with superior strength and optimal design.
Being the multivalve piston technology leader, the line features specially designed valve pockets, complex dome and crown shapes, the steel nitride/napier xx rings and optimized skirt profiles.
Most OEM pistons have pin offset to keep the piston quiet. Only Wiseco does this with forged pistons.
Complete with rings, wristpins & locks, and specification sheets.
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Product detailed specification |
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Bore size |
99,75mm |
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Stroke |
79,00mm |
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Wiseco compression ratio (CR) |
9,05:1 |
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Rod Lgth. |
130,5mm |
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Dome volume (CC) |
-19 |
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Comp Ht. |
30,7mm |
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Pin diameter |
23mm |
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Fits for |
Subaru Impreza WRX STI EJ257 2.5L 16V |
