632801C-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi GRP The kit also includes a

The kit also includes a 1/8" to -4AN fitting for your turbo and a 3/8" BSPT to -4AN fitting to screw into the oil filter housing without destroying your threads

The AMS Performance Evo X polyurethane front motor mount bushing insert will decrease transmission movement and result in more precise shifts and improved throttle response

this recirculating design is easily adjustable and a direct replacement fit for your WRX

• Silicone Couplers

The S2 cams are designed for those running larger turbo's 61mm and larger

632801C-4 Manley Turbo Tuff Pistons EJ257 for 06-14 WRX / 04+ STi GRP The kit also includes aManley Pistons for the EJ257 motor in the 2006 2014 WRX and 2004+ STi models includes a full set of 4 pistons, wrist pins, ring sets and round wire locks. See more Manley Pistons for the EJ257 WRX & STi. Vehicle Fitment: Subaru EJ257 2006 2014 WRX 2004 2021 STi Piston Specs: Part Number: 632801C4 Pin: Standard . 180" Wall Bore Size: 99. 55mm (+. 05) Rod Length: 5. 137" Stroke: 79mm Standard Stroke (2. 5L) Comp Distance: 1. 209" Dome Volume: 17 cc