Wossner 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.
Product detailed specification | |
Bore size | 100,50mm |
Stroke | 79,00mm |
Wossner compression ratio (CR) | 8,0:1 |
Rod Lgth. | 130,5mm |
Dome volume (CC) | -25,3 |
Comp Ht. | 30,7mm |
Pin diameter | 23mm |
Fits for | Subaru Impreza WRX STI EJ257 (2004-2008) |
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