
The facts.
| Model | JP ES 020 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Ducati Streetfighter V4S (2020–2026) |
| Installation | Plug-and-play, no wiring harness modifications required |
DescriptionThe whole story▼
The JP ES 020 seals the Streetfighter V4S's secondary air ports with a solid cover, removing one of the few genuinely perishable parts bolted to a cylinder head.
Key Features
- Ducati Streetfighter V4S (2020–2026)
- 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
Event-Based Damping
The Öhlins system reacts to chassis behaviour rather than following a fixed map, which is precisely what a naked bike on a bumpy road needs.
Plastic on a Hot Casting
The housing endures the widest thermal swing on the motorcycle. Reeds crack with age rather than mileage, and a cracked reed passes gas the wrong way.
A Cracked Reed's Signature
Soot inside the airbox and an element discoloured well before its interval. It is almost always found while chasing something entirely unrelated.
Two Fasteners, Usually
The housing is held by a small number of bolts into the head, and the cover uses the same ones in the same positions.
Nothing Structural
The housing carries no load and its removal affects no part of the head's sealing or cooling. It is genuinely a bolt-on component.
Heat Cycles, Not Kilometres
A garage queen's reeds age at the same rate as a courier's. Low mileage protects the inside of the motor and does nothing for the plastic bolted to the outside.
Torque, and Why It Matters Here
The fasteners thread into an aluminium cylinder head and Ducati specifies a low figure for good reason. Exceeding it is the commonest way a twenty-minute job becomes a thread repair and a considerably longer weekend, and it is entirely avoidable by looking the number up once.
The Hose Route to the Airbox
It runs from the head up and forward into the airbox, usually clipped at two or three points along the way. Following it before anything is undone shows exactly where the intake end terminates, which is the fitting that has to be closed once the housing is gone.
No Fairing to Hide Behind
Strip the bodywork off a Panigale and everything bolted to the engine becomes part of how the motorcycle looks. On this model the reed housings and their hose sit in plain view above the front cylinder, which is why owners notice them here and never on a faired machine.
Fitment and Compatibility
- Ducati Streetfighter V4S (2020–2026)
Specifications
| Model | JP ES 020 |
|---|---|
| Manufacturer | JetPrime |
| Material | CNC-milled Ergal 7075 |
| Fits | Ducati Streetfighter V4S (2020–2026) |
| Installation | Plug-and-play, no wiring harness modifications required |
What's includedEverything in the box▼
- 1x block-off plate
FitmentWhich bikes this fits▼
- Ducati Streetfighter V4S (2020–2026)
Questions, one topic at a time.
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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.
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.