CNC PORT, 4 Cylinder polaris rzr O-Ringing optional**

O-Ringing optional**

Unleash the true potential of your machine and dominate the track or trail with the Stage 3 YXZ1000r Head

including Turbo-S

All machine work and bronze valve guides are included in the base price of $750

After you tune

CNC PORT, 4 Cylinder polaris rzr O-Ringing optional**Cylinder head cleaning & inspection CNC Runners Bronze valve guides and installation CNC Newen Valve job CNC Surfacing Final Cleaning Send all cores in with invoice, estimated turnaround is 10 15 business days from time of arrival. Cylinder heads that qualify: K20 K24 All B Series 4B11T 4G63 SRT4 420a EcoBoost 2. 3 Mazda MZR EJ25* H22 F20B F20C S2000 Send all cores in with your sales receipt. *EJ25 is additional $500 All machining and assembly