Honda 400EX 400X XR400R Assembled Cylinder Head Camshaft HD Cam Chain & Bearings

Honda 400EX 400X XR400R Assembled Cylinder Head Camshaft HD Cam Chain Kit

Complete Bolt-On Performance Valve Train Upgrade

Revitalize your Honda with the BPRATV Assembled Cylinder Head & Valve Train Kit designed for the TRX400EX, TRX400X, and XR400R. This direct bolt-on performance upgrade delivers increased airflow, stronger acceleration, and reliable power gains with a fully assembled, ready-to-install design.

🔥 Key Features & Benefits

Built for riders who demand more power and durability, this high performance aftermarket cylinder head package combines premium components engineered to work together for smooth, aggressive output.

• Fully assembled cylinder head with intake & exhaust valves, springs, retainers, seals, and rockers
• High performance aftermarket camshaft for increased airflow and horsepower
• SKF OEM-upgrade camshaft bearings included (both sides)
• BPRATV Talon heavy duty OEM replacement cam chain
• Direct OEM replacement design for easy installation with no special tools

✅ Compatibility

This performance head kit is engineered to fit multiple Honda sport ATV and motorcycle models across all production years.

• Honda TRX400EX – All Years
• Honda TRX400X – All Years
• Honda XR400R – All Years
• OEM-spec mounting for factory engine cases
• Ideal for stock rebuilds or performance upgrades

❓ Frequently Asked Questions (FAQ)

• Q: Is this cylinder head fully assembled and ready to install?

  A: Yes. The head comes completely assembled with valves, springs, rockers, camshaft, bearings, and cam chain.

• Q: Does this kit require machining or special tools?

  A: No. This is a direct bolt-on OEM replacement designed for straightforward installation.

• Q: Will this increase performance over a stock head?

  A: Yes. The high performance head and camshaft improve airflow for stronger acceleration and power.

• Q: Is there a warranty included?

  A: Yes. This kit includes a 6-month manufacturer warranty against defects.

🌟 Why Buy from BPRATV? Trusted Performance Experts 🌟

At BPRATV, our promise is unwavering: The Best Parts. The Best Performance. The Best Price. Every component is carefully selected and tested to deliver reliable power and long-term durability. Trust BPRATV to keep your Honda TRX400EX, TRX400X, or XR400R running at its best, every single time.

Upgrade your Honda 400 today and experience serious bolt-on power!

BPRATV - The Best Parts. The Best Performance. The Best Price.

BRAPPPPPPPPPP!

© BPRATV LLC