[v8klla]

Here is a rough breakdown of our porting services. Please note that these prices do not include machine work for oversized valves or decking of the head surface. Feel free to contact us for information in regards to these services.

Stage 1 $125

• Minor clean up of casting flaws
• Minor clean up of bowl transitions

Stage 2 $250

• Stage 1+
• Full porting of bowls

Stage 3 $450

• Stage 2+
• Porting and polishing of entire intake and exhaust

Stage 4 $550

• Stage 3+
• Enlarging exhaust ports

Stage 5 $750

• Stage 4+
• Removal/Installation of guides
• Porting of guide bosses

*Stage 5 requires additional machine work to remove and reinstall valve guides.