COBB Fuel Rails for 2008-2021 Subaru WRX/STi (343150) Matrix Concepts the ProH2K uses the cost-effective

the ProH2K uses the cost-effective yet reliable ARP2000 rod bolts

"The factory pitch stop mount is often overlooked and leaves a lot of room for improvement

2008-2014 Evolution X Base/GSR

5") designed to be a direct fit replacement to your existing battery size

This enhances the crisp feel during gear changes and on/off throttle transitions

COBB Fuel Rails for 2008-2021 Subaru WRX/STi (343150) Matrix Concepts the ProH2K uses the cost-effectiveThe COBB Subaru Fuel Rails are crafted from 6061 Billet Aluminum and feature a black anodized finish with a laser etched COBB logo. Each rail comes with pre installed 8 AN to 6 AN adapters, making installation simple when paired with the COBB Fuel Line Kit. The kit also includes hardware and adapters to accommodate both stock style and Injector Dynamics Fuel Injectors. Phenolic thermal spacers and stand offs provide a heat barrier between the cylinder