Chimera Performance CNC Heads 2.5L STi

Product Information

The Chimera CNC Head Program for the Subaru WRX and STi were developed to stronghold the market by offering the enthusiast the ultimate flexibility with his/her build. This comes true as used customer supplied heads can be sent in for CNC service, not just new cores. so stop making excuses for not taking your heads to the next level and step up to the competition.

Packages available for:

2002-2005 2.0L WRX Head (EJ205)
2004-2006 2.5L STi Head (EJ257)
JDM Version 7 Big Port Heads (EJ207)

Flow Charts are available for download at the bottom of this page.

Program Options:

Customer Supplied Heads: This option allows the customer to supply a problem free set of heads for the CNC machining. If heads are not being supplied, brand new OEM Subaru head cases will be used for an additional cost.

Package 1

CNC Intake Ports
CNC Exhaust Ports
Valve Job
Camshaft Clearance Machining
Deck Machining (All Surfaces)
Hot Tank Cleaning

Package 2

Includes Package 1
Full Assembly including Valve Lashing

Return Shipping back to the customer is included in the purchase price. Shipping of the heads to Chimera Performance is at customers expense.

Disclaimers: Please Read

* In the event the valve guides or seats are damaged or excessively worn, they must be replaced prior to the CNC procedure. Customer will be notified and replacement will be at the customers expense.

Download the flow charts here.