Honda 400EX/XR400 86–89mm Cometic Top End Head Gasket
- Ships next business day
- 30-day hassle-free returns
- Call us: 541-668-7503
- Secure checkout — Pay in 4 available
✓ Fits:
- Honda TRX400EX
- Honda XR400R
✓ Features:
- Raises compression for improved torque and throttle response
- Graphite gaskets feature a steel core laminated on both sides for strength
- Fiber gaskets ensure maximum seal, flexibility, and torque retention
- O-ring gaskets meet or exceed OEM specifications
- Full top end gasket set
- Head gasket (graphite steel-core)
- Base gasket
✓ What's Included:
- Complete gasket set as specified
Ships fast from DuneGoonShop!
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.
