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ProX 34.6118 is a complete engine gasket set for the 85cc two-stroke platform shared by KTM, Husqvarna, and Gas Gas.
The kit covers all engine sealing points required for a full rebuild - from the cylinder head down through the crankcase. You get every gasket and seal needed in one package, so there is no hunting for individual pieces mid-job.
The KTM 85SX, Husqvarna TC85, and Gas Gas MC85 all run the same engine architecture. One part number fits all three brands. Gas Gas introduced the MC85 in 2021, which is why fitment begins three years later than KTM and Husqvarna.
ProX manufactures to OEM dimensions using multi-layer steel and composite materials rated for the thermal and mechanical demands of a two-stroke rebuild. Each piece in the kit is produced to match original equipment tolerances.
Note: crankshaft seals are not included in this kit. ProX sells crankshaft seal sets separately.
Fitment:
KTM 85SX 2018-2024
Husqvarna TC85 2018-2024
Gas Gas MC85 2021-2024
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We ship to every country DHL serves. Orders shipped to EU destinations qualify for free DHL shipping once the cart subtotal reaches €150. Orders shipped outside the EU are charged live DHL rates, calculated automatically at checkout.
You have 30 days from delivery to return any item in original condition. Full policy →
Pro-X Racing Parts is a European specialist in engine rebuild components for motocross and off-road competition. The range covers forged pistons, connecting rods, bearings, seals, gaskets, and complete rebuild kits for 2-stroke and 4-stroke engines across all major makes and model years.
Each Pro-X piston is manufactured to OEM bore dimensions and surface finished for direct bolt-in fitment without machine work. Kits are packaged per-engine application and include all components required to complete a piston replacement or full top-end rebuild. Pro-X covers an extensive model matrix from current production back through older competition bikes.
| Make | Model | Years | Notes |
|---|---|---|---|
| GASGAS | MC 85 | 2021–2024 | |
| Husqvarna | TC85 | 2018–2024 | |
| KTM | 85 SX | 2018–2024 |
