🔥 Race-Ported Cylinder Head – Polaris Pro XP / Turbo R (OEM)
Full CNC Port & Polish | Bolt-On Performance | OEM Polaris Head
Upgrade your Pro XP or Turbo R engine with a fully race-ported OEM Polaris cylinder head, professionally cleaned, inspected, and ready to install. Designed to improve airflow, combustion efficiency, and throttle response — whether you're riding stock or full race setups.
✅ Fits ALL 2020–2023 Polaris RZR Pro XP & Turbo R models
✅ OEM Polaris head – cleaned, inspected, and sandblasted after porting
✅ Professionally race ported – intake, exhaust, & combustion chamber
✅ Valve guides precision-cut
✅ Works with ALL OEM or aftermarket valve train components
✅ 1-Year Warranty
✅ Optional valve assembly available – contact us
✔️ Genuine OEM Polaris Cylinder Head (2022+ core)
✔️ Full CNC Race Port and Polish
• Intake runners
• Exhaust ports
• Combustion chamber
✔️ Valve guides precision cut
✔️ Sandblasted finish for clean install
✔️ Prepped for assembly (valves not included)
Valve install service with OEM or aftermarket options available. Contact us for pricing.
🧠 Professional Port Work – Boosts power, throttle response, and airflow
🔧 Drop-In Ready – Works with your stock or built short block
🚫 No Core Needed – This is a brand new head, ported in-house
💨 Great with Stock, Turbo, or High-Compression Setups
Years | Models |
---|---|
2020–2023 | Polaris RZR Pro XP / Pro XP 4 (All trims) |
2022–2023 | Polaris RZR Turbo R / Turbo R 4 (All trims) |
✔️ 1-Year Warranty Against Defects
⚠️ Professional installation highly recommended
🔍 Warranty covers workmanship and materials (not misuse or poor install)
Ships in 5–7 business days — All heads are hand-inspected and prepped by our in-house team.
⏳ Porting involves machine work — please allow 4–6 weeks lead time.
Questions? Want this head assembled with valves?
📞 Call us at (541) 668-7503 or use live chat 24/7 at DuneGoonShop.com
We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.
We don't do backorder! If your items has already sold you will be notified immediately and you money refunded on the spot.
Sold items are removed daily.
If you see it on this website, it is 100% in stock unless it just sold before you clicked buy.
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I received the Cam, But there were no instructions.
Banshee - Dipstick & Oil Plug Billet - Modquad
My 400ex has never sounded better. New tensioner, guides, and chain fixed the noise. Metal bottom end gasket was cool too, didn't rip while working on it.
Thank you for your positive review! We're glad to hear that the TRX400EX Cam Chain Tensioner & Wiseco Heavy Duty Cam Chain Kit was able to fix the ticking noise on your 400ex. We agree, these small maintenance steps can make a big difference in the overall performance and sound of your vehicle. We appreciate your feedback and hope to continue providing quality products for your ATV. Happy riding!
Well my mechanic said it was some good parts in the box. I'll let you know how the rebuild goes. Great I hope
I haven’t received them yet
Trevor, thank you for your 5 star review. We appreciate that. Rest assured I just checked your tracking info and UPS says they will arrive today between 1:30 & 3:00 pm. Your going to love the Lectron Carburetors!