JE Pistons Subaru EJ25 Ultra Series 100mm Bore Dia -17.3cc 8.5:1 0.905in Pin - Piston Set | 361329 GTI_2010-2014 while still retaining the ability

while still retaining the ability to vent to atmosphere

Includes heavy-duty 5-ply silicone couplings

30 degree drop in oil temperatures

Overall Height: 3

and fitted with a carbon fiber insert

JE Pistons Subaru EJ25 Ultra Series 100mm Bore Dia -17.3cc 8.5:1 0.905in Pin - Piston Set | 361329 GTI_2010-2014 while still retaining the abilityFitment Information: Subaru WRX 2004 2014 Subaru STI 2004 2021 Part #: 361329 JE Pistons Ultra Series pistons for sport compact applications combine all of the best, most desirable piston features, such as thermal barrier crown coating, lateral gas ports, thick wall wrist pins, and a revolutionary new forging technology for the ultimate in strength. Premium, gas nitrided carbon steel rings are included.