KPMI Cylinder Head Nuts - Yamaha YFZ450R / Honda TRX450ER
- Ships next business day
- 30-day hassle-free returns
- Call us: 541-668-7503
- Secure checkout — Pay in 4 available
✓ Fits
Yamaha: 2009-2020 YFZ450R
Honda: 2006-2009 and 2012-2014 TRX450ER Electric Start (Honda skipped the 2010-2011 model years)
✓ Features
- High performance replacement cylinder head nuts from Kibblewhite Precision Machining (KPMI)
- Precision machined for consistent, accurate torque on your head studs
- The right companion hardware for KPMI's premium 8740 chromoly head studs, which use 180,000 psi yield strength heat treated material with rolled threads for maximum fatigue life
- Cheap insurance on any top end job, fresh nuts torque true
✓ What's Included
- Cylinder head nut set (KPMI 41010-4)
Doing the YFZ450R top end? Pair with our Hot Cams cam kits and the FMF Factory 4.1 RCT system.
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.
