Subaru Impreza WRX STI 2.5 16v Turbo EJ257 (8.0:1) Wossner Forged Piston Kit & PEC Steel Connecting Rod Kit Engine Internals • Ideal for both aluminum

• Ideal for both aluminum heads to cast iron blocks

wideband oxygen sensor ) is extremely important

One pair of new replacement discs for our super-power brake kits

Mercedes-Benz: 236

Subaru Impreza WRX STI 2.5 16v Turbo EJ257 (8.0:1) Wossner Forged Piston Kit & PEC Steel Connecting Rod Kit Engine Internals • Ideal for both aluminumRead more about our entry level Forge kits on our blog here. Select from the options above to build your perfect package. In the "notes" field at checkout please tell us what Impreza version your engine block is from. Wssner is regarded by Europes leading motorsport engine builders as being the piston of choice when building an engine not only to perform but to withstand the stresses and duress of competition life. Wssner pistons feature a unique PTFE