Evo 8 CNC Ported Cylinder Head – Core with a Head Start

Looking for a solid Evo 8 core that’s already on its way to greatness? This cylinder head was previously hand-ported, but we’ve already taken it to the next level with our CNC porting program. It's structurally sound and loaded with potential. Minor imperfections? Yeah—we’ve seen worse, and we’ve got it handled. This is the perfect starting point for your next build, and an even better excuse to let us finish what we started.

Highlights:

 CNC-Ported Intake & Exhaust – Previous hand work was cleaned up and optimized with our proven CNC program.

 Cam Journals in Excellent Condition – Smooth and clean, ready to support high-performance use.

 Needs Spot Weld Repair on Deck – Cosmetic and within the fire ring. We’ve got the fix, no worries.

 Exhaust Port Cosmetic Wear – Some erosion around the port area—purely visual, not performance-related.

Requires Minor Machining – Washer registers need a light surface cleanup to ensure perfect sealing and clamping.

 Ready for Final Machining & Assembly – Needs guides, valve job, washer registers, final mill, and reassembly.

 Perfect Core Candidate – You’ll save time and money by starting here.

Let us finish it for you!Inquire now for a full quote including GSC valvetrain, guides, and expert assembly. Whether it’s a street machine or full-send track setup, this head’s got a bright future once it leaves our hands.