The facts.
| Brand | H2O Performance |
|---|---|
| Kit type | Water radiator and oil cooler kit |
| Construction material | Aluminium |
| Core design | Oversize fin-and-core structure with enlarged cooling surface |
| Fitment | Honda CBR 1000 RR-R / RR-R SP SC82 (2020–2026) |
| Installation | Direct OEM replacement (plug-and-upgrade, no modification required) |
| Intended use | Road and track |
DescriptionThe whole story▼
Running a Honda CBR 1000 RR-R SC82 hard — whether on a summer track day, a mountain pass, or a long sport-touring stint — means managing extreme thermal loads across a motor that was built to push physical limits. The H2O Performance Water and Oil Cooler Kit is engineered specifically for the SC82 to keep water and oil temperatures in their optimal operating windows all day long, preserving peak power delivery, consistent throttle response, and long-term engine health regardless of ambient conditions or riding intensity.
Key Features
- Oversize water radiator combined with an integrated high-performance oil cooler in a single kit, addressing both critical thermal circuits simultaneously.
- Enlarged core and fin surface area for substantially increased heat rejection compared to the standard radiator — no compromise under sustained full-load conditions.
- Premium aluminium construction with an optimised fin-and-core structure engineered for both road and track use.
- Precision fit for the Honda CBR 1000 RR-R and RR-R SP SC82 (2020–2026) — a straight plug-and-upgrade replacement for the factory water cooler, with no modification required.
- Prevents oil thinning, thermal overload, and lubricating film breakdown by keeping oil temperature stable even during prolonged hard riding.
- Reduces heat-related stress on seals, bearings, and engine components, meaningfully extending service intervals and overall engine lifespan.
Why Thermal Management Defines the SC82 Experience
The CBR 1000 RR-R SC82 is one of the most demanding litrebikes ever built for the road. Its race-derived inline-four generates extraordinary heat even in normal spirited use, and as ambient temperatures climb or lap times stack up, a stock cooling system can struggle to keep pace. The result is thermal throttling, fluctuating power delivery, and accelerated wear on every lubricated component in the engine.
H2O Performance has engineered this combined water and oil cooler kit to provide the thermal reserve the SC82 needs when it is ridden as intended. By increasing the effective cooling surface and optimising flow through both circuits, the kit stabilises temperatures across the board — letting the engine breathe freely and deliver its full output session after session without compromise.
On Road and On Track
Riders who spend time on circuit will notice the most immediate difference: consistent temperature readings lap after lap, a calmer and more predictable powerband, and the confidence that comes from knowing the engine is not quietly suffering. On the road, the benefits are equally tangible — smoother running through slow traffic, greater resilience on hot summer touring days, and the kind of relaxed mechanical composure that makes long distances genuinely enjoyable rather than anxious.
The kit is equally suited to riders who simply want to protect a significant mechanical investment. Lower operating temperatures translate directly into less wear on piston rings, valve stem seals, crankshaft bearings, and the oil itself. Fewer heat cycles mean longer component life, fewer surprises, and lower running costs over the years.
What You Will Notice Immediately
- Stable, even temperature readings — including during sustained track sessions.
- Smoother, more consistent engine behaviour and throttle response.
- No heat-induced power drop-off at high rpm or during prolonged acceleration.
- Reliable, linear pull across the entire rev range.
- Noticeably extended oil and engine service life.
- Greater confidence in hot weather and during intensive riding use.
Fitment and Compatibility
This H2O Performance water and oil cooler kit is designed and manufactured exclusively for the following models:
- Honda CBR 1000 RR-R SC82 (2020–2026)
- Honda CBR 1000 RR-R SP SC82 (2020–2026)
The kit replaces the original factory water radiator and installs using the standard mounting points — no cutting, welding, or custom fabrication needed.
Specifications
- Brand: H2O Performance
- Kit contents: Oversize water radiator and integrated oil cooler
- Construction material: Aluminium
- Core type: Optimised fin-and-core structure with enlarged cooling surface
- Fitment: Honda CBR 1000 RR-R / RR-R SP SC82 (2020–2026)
- Installation: Direct replacement for OEM water radiator (plug-and-upgrade)
- Intended use: Road and track
FitmentWhich bikes this fits▼
- Honda CBR 1000 RR-R SC82 (2020–2026)
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Measure your head circumference about one centimetre above your eyebrows and compare it with the size chart on this page. Between sizes? Choose the smaller one — the padding beds in with use.
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Most of our touring and sport helmets are Pinlock-ready and many include the insert. Check the ‘What’s in the box’ section on this page for this model.
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Take out the washable lining and hand-wash it in lukewarm water. Clean the shell and visor with a soft cloth and water only — never solvents.
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