JE Pistons Ultra Series Piston Kit - Harley-Davidson Milwaukee-Eight 114/117 - 4.250" 10.25:1 CR 114"/117" M8 (2010-2025)
- Ships next business day
- 30-day hassle-free returns
- Call us: 541-668-7503
- Secure checkout — Pay in 4 available
Ultra Series Piston Kit by JE PISTONS
✓ Fits: Harley-Davidson Milwaukee-Eight 114/117
Piston Kit - 4.250" - 10.25:1 CR - 114"/117" M8
- ✓ Propriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviroment
- ✓ Cermic crown coating protects the piston by reducing heat transfer
- ✓ Internal and external bracing maintains optimized strength-to-weight ratio for longevity
- ✓ 3D undercrown milling in non-critical areas reduces overall weight
- ✓ Lateral gas ports and accumulator groove maintain power-producing ring seal even at high RPM and high boost
- ✓ Tuff Skirt is a propriety, moly based dry film skirt coating that is applied in-house and reduces operating friction for better wear resistance
- ✓ Offset pin reduces piston rock and minimize engine operating noise
- ✓ Skirt notches for optimal clearance at the bottom dead center
- ✓ Kit includes two pistons, premium ring pack, wrist pins and wire locks
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.
