⟲ 360° — drag meThe facts.
| Model | JP ES 041 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Ducati SuperSport 950 S (2021–2024) |
| Installation | Plug-and-play, no wiring harness modifications required |
DescriptionThe whole story▼
The JP ES 041 replaces the SuperSport 950 S's plastic reed housing with a billet cover that seals on an O-ring and has nothing inside it left to age.
Key Features
- Ducati SuperSport 950 S (2021–2024)
- Blanks the secondary air ports in the cylinder head
- Machined from solid aluminium
- O-ring sealed, no jointing compound
- Original fastener positions
- Standard housing refits at any time
A Single Seat Cover
Supplied as standard on the S, which is a small detail and a clear statement about who Ducati expected to buy one.
Original Fastener Positions
Ducati's own bolt spacing and torque figures. Nothing is drilled and no thread in the head is cut or disturbed by the exchange.
Twenty Minutes Once Exposed
The work itself is short. Everything else in the job is getting the tank and airbox out of the way first.
The Thermal Argument
A moulded component bolted to a cylinder head sees a temperature range nothing else on the motorcycle experiences. Aluminium is indifferent to it.
The Case Against Improvising
A bolt and a washer, a rubber bung or a smear of epoxy will all hold for a while. None survives a season of heat cycling.
Two Heads, Two Housings
On a V-twin or a V4 each cylinder head carries its own assembly, so a complete deletion means a cover for each one and reaching the rear bank as well as the front.
What the Housing Is and Why It Ages
A moulded box of reed valves bolted directly to a cylinder head, admitting air into the exhaust ports and preventing it travelling back the other way. It lives through the widest temperature range on the motorcycle several times a day, and the reeds inside flex on every closed throttle. They crack with age and heat cycles rather than with distance ridden.
Checking the Old Reeds
Once the housing is off, holding it up to a light shows whether the reeds still sit flat against their seats. It costs nothing and it settles the question of whether this was a repair or a preference, which is worth knowing before the parts go into a box.
Fitment and Compatibility
- Ducati SuperSport 950 S (2021–2024)
Specifications
| Model | JP ES 041 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Ducati SuperSport 950 S (2021–2024) |
| Installation | Plug-and-play, no wiring harness modifications required |
What's includedEverything in the box▼
- 1x block-off plate
FitmentWhich bikes this fits▼
- Ducati SuperSport 950 S (2021–2024)
Questions, one topic at a time.
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Our team is happy to help. Use the contact button below and we’ll personally help you choose the right gear or part.
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.
Yes — it’s tested and approved to the current ECE 22.06 standard and road-legal across the EU.
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.
Yes — the cheek pads are channelled so the arms of your glasses slide in comfortably.
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.
Our team will personally help you choose the right gear or part — around 24h for a reply.