Vertex Cast Race Evolution Piston Kit - Kawasaki KX 85
Part number: 24582B
$135.95





Description
Cast Race Evolution Piston Kit. Includes (Piston, Ring, Wrist Pin, & Circlips). Motocross & Enduro racing team tested and proven. Built specifically for racing applications with a special racing profile, reduced top ring land, nitrited 0.8mm steel ring, exclusive MoS2 coating featured with specific pockets to facilitate cylinder/piston smoothness. Specifications Cylinder Diameter: 48.5mm Displacement: 85cc Piston O.D.: 48.45mm Vehicle Fitment Kawasaki KX 85 (2014-2025) Vertex Pistons are precision-engineered for maximum performance and durability. Each kit is manufactured to OEM specifications with premium materials for a perfect fit. Backed by Vertex's quality guarantee.
Specifications
| compression ratio | STD |
|---|---|
| cylinder diameter | 48mm |
| displacement | 85cc |
| part type | Cast Race Evolution Piston Kit |
| piston od | 48.45 |
| vehicle type | Dirt Bike |
Listed vehicle applications
| Year | Make | Model | Notes |
|---|---|---|---|
| 2025 | Kawasaki | KX 85 | Catalog application: 2025 Kawasaki KX 85. Piston OD 48.45 mm; Cylinder 48.5mm. Cast Race Evolution Piston Kit. Includes (Piston, Ring, Wrist Pin, & Circlips). Motocross & Enduro racing team tested and proven. Built specifically for racing applications with a special racing profile, reduced top ring land, nitrited 0.8mm steel ring, exclusive MoS2 coating featured with specific pockets to facilitate cylinder/piston smoothness. Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
| 2024 | Kawasaki | KX 85 | Catalog application: 2024 Kawasaki KX 85. Piston OD 48.45 mm; Cylinder 48.5mm. Cast Race Evolution Piston Kit. Includes (Piston, Ring, Wrist Pin, & Circlips). Motocross & Enduro racing team tested and proven. Built specifically for racing applications with a special racing profile, reduced top ring land, nitrited 0.8mm steel ring, exclusive MoS2 coating featured with specific pockets to facilitate cylinder/piston smoothness. Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
| 2023 | Kawasaki | KX 85 | Catalog application: 2023 Kawasaki KX 85. Piston OD 48.45 mm; Cylinder 48.5mm. Cast Race Evolution Piston Kit. Includes (Piston, Ring, Wrist Pin, & Circlips). Motocross & Enduro racing team tested and proven. Built specifically for racing applications with a special racing profile, reduced top ring land, nitrited 0.8mm steel ring, exclusive MoS2 coating featured with specific pockets to facilitate cylinder/piston smoothness. Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
| 2022 | Kawasaki | KX 85 | Catalog application: 2022 Kawasaki KX 85. Piston OD 48.45 mm; Cylinder 48.5mm. Cast Race Evolution Piston Kit. Includes (Piston, Ring, Wrist Pin, & Circlips). Motocross & Enduro racing team tested and proven. Built specifically for racing applications with a special racing profile, reduced top ring land, nitrited 0.8mm steel ring, exclusive MoS2 coating featured with specific pockets to facilitate cylinder/piston smoothness. Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
| 2021 | Kawasaki | KX 85 | Catalog application: 2021 Kawasaki KX 85. Piston OD 48.45 mm; Cylinder 48.5mm. Cast Race Evolution Piston Kit. Includes (Piston, Ring, Wrist Pin, & Circlips). Motocross & Enduro racing team tested and proven. Built specifically for racing applications with a special racing profile, reduced top ring land, nitrited 0.8mm steel ring, exclusive MoS2 coating featured with specific pockets to facilitate cylinder/piston smoothness. Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
| 2020 | Kawasaki | KX 85 | Catalog application: 2020 Kawasaki KX 85. Piston OD 48.45 mm; Cylinder 48.5mm. Cast Race Evolution Piston Kit. Includes (Piston, Ring, Wrist Pin, & Circlips). Motocross & Enduro racing team tested and proven. Built specifically for racing applications with a special racing profile, reduced top ring land, nitrited 0.8mm steel ring, exclusive MoS2 coating featured with specific pockets to facilitate cylinder/piston smoothness. Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
| 2019 | Kawasaki | KX 85 | Catalog application: 2019 Kawasaki KX 85. Piston OD 48.45 mm; Cylinder 48.5mm. Cast Race Evolution Piston Kit. Includes (Piston, Ring, Wrist Pin, & Circlips). Motocross & Enduro racing team tested and proven. Built specifically for racing applications with a special racing profile, reduced top ring land, nitrited 0.8mm steel ring, exclusive MoS2 coating featured with specific pockets to facilitate cylinder/piston smoothness. Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
| 2018 | Kawasaki | KX 85 | Catalog application: 2018 Kawasaki KX 85. Piston OD 48.45 mm; Cylinder 48.5mm. Cast Race Evolution Piston Kit. Includes (Piston, Ring, Wrist Pin, & Circlips). Motocross & Enduro racing team tested and proven. Built specifically for racing applications with a special racing profile, reduced top ring land, nitrited 0.8mm steel ring, exclusive MoS2 coating featured with specific pockets to facilitate cylinder/piston smoothness. Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
| 2017 | Kawasaki | KX 85 | Catalog application: 2017 Kawasaki KX 85. Piston OD 48.45 mm; Cylinder 48.5mm. Cast Race Evolution Piston Kit. Includes (Piston, Ring, Wrist Pin, & Circlips). Motocross & Enduro racing team tested and proven. Built specifically for racing applications with a special racing profile, reduced top ring land, nitrited 0.8mm steel ring, exclusive MoS2 coating featured with specific pockets to facilitate cylinder/piston smoothness. Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
| 2016 | Kawasaki | KX 85 | Catalog application: 2016 Kawasaki KX 85. Piston OD 48.45 mm; Cylinder 48.5mm. Cast Race Evolution Piston Kit. Includes (Piston, Ring, Wrist Pin, & Circlips). Motocross & Enduro racing team tested and proven. Built specifically for racing applications with a special racing profile, reduced top ring land, nitrited 0.8mm steel ring, exclusive MoS2 coating featured with specific pockets to facilitate cylinder/piston smoothness. Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
| 2015 | Kawasaki | KX 85 | Catalog application: 2015 Kawasaki KX 85. Piston OD 48.45 mm; Cylinder 48.5mm. Cast Race Evolution Piston Kit. Includes (Piston, Ring, Wrist Pin, & Circlips). Motocross & Enduro racing team tested and proven. Built specifically for racing applications with a special racing profile, reduced top ring land, nitrited 0.8mm steel ring, exclusive MoS2 coating featured with specific pockets to facilitate cylinder/piston smoothness. Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
| 2014 | Kawasaki | KX 85 | Catalog application: 2014 Kawasaki KX 85. Piston OD 48.45 mm; Cylinder 48.5mm. Cast Race Evolution Piston Kit. Includes (Piston, Ring, Wrist Pin, & Circlips). Motocross & Enduro racing team tested and proven. Built specifically for racing applications with a special racing profile, reduced top ring land, nitrited 0.8mm steel ring, exclusive MoS2 coating featured with specific pockets to facilitate cylinder/piston smoothness. Source: Vertex Pistons Catalog 1-21-2026. Reviewed 2026-09-23. |
Check the exact vehicle application and specifications before ordering. Ask HPE if a detail is missing.