CP Pistons & Rings 86.5mm Bore 0.5mm Over for EVO X G37_2007-2013 Subaru WRX 2002-2007

Subaru WRX 2002-2007

Specifically designed to clear larger top mount intercoolers on 02-07 WRX & 04-07 STI models

but to the extremely strict German TUV specifications

The Q300 for the 11-14 Hatch is sweet

and longevity for performance driving and track events

CP Pistons & Rings 86.5mm Bore 0.5mm Over for EVO X G37_2007-2013 Subaru WRX 2002-2007Part #: SC7221 From Drag to Endurance CP pistons have proven their quality in the racing community. These pistons for the 08 10 Evo X are avialable in 86mm stock bore, 86. 5mm w 0. 5 overbore, or 87. 0mm w 1. 0mm overbore and retain a 9. 0 compression ratio. These pistons are designed for high horsepower applications and are much stronger then OEM due to the forging process CP uses. The CP pistons for the Evo X 4B11 are an excellent choice for your