JetPrime JP ES KIT19 Ducati — SLS/AIS Block-Off Kit — view 1 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP ES KIT19
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsDucati Monster 821 (2015–2021)
InstallationPlug-and-play, no wiring harness modifications required
FitmentDucati Monster 821 (2015–2021)
Road approvalNone — closed-circuit and race use only
DescriptionThe whole story

The JP ES KIT19 is the complete answer for the Monster 821: valve, housing, hose and clips off the motorcycle, and no warning left behind on the instrument panel.

Key Features

  • Ducati Monster 821 (2015–2021)
  • Both halves of the secondary air deletion
  • Solenoid eliminator and cylinder head cover
  • One part number, one fitting session
  • No drilling and no splicing
  • Every standard part refits afterwards

Replaced by the 937

Ducati moved to a lighter aluminium frame in 2021, which made the 821 the end of a line rather than a step in one.

What Is Actually Removed

Solenoid, wiring stub, reed housing, the hose between them and the clips. Four items and their fasteners leave the motorcycle.

Both Parts Also Sold Alone

Owners who only want the lamp gone can buy that half by itself. The kit exists for those who want the whole system out.

Improvised Alternatives

A resistor in heatshrink and a bolt with a washer will both work for a while, and both fail quietly rather than obviously.

Not a Tuning Change

No map is altered, no sensor is spoofed and no fuelling decision changes. The kit removes hardware rather than modifying behaviour.

O-Ring, Not Compound

The mechanical half seals on a rubber ring in a turned groove, which separates cleanly years later instead of bonding to the head.

Why Owners Reach for the Kit

Usually a dashboard warning on a cold morning, occasionally soot in the airbox, and on older machines simply the knowledge that the reeds are past their working life. All three arrive at the same solution.

Completely Reversible

Nothing is cut, drilled or soldered anywhere in either half. Both original components refit on their own hardware with no replacement seals needed, which is what makes an emissions inspection or a resale a conversation rather than a problem.

The Order That Works

Electrical half first while the airbox is out and access is best, then the covers on the heads, then the intake fitting, then reassembly. Doing it the other way round means reaching past a fitted cover to get at a connector, which is possible and unnecessary.

Fitment and Compatibility

  • Ducati Monster 821 (2015–2021)

Specifications

Model JP ES KIT19
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Ducati Monster 821 (2015–2021)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x block-off plate
FitmentWhich bikes this fits
  • Ducati Monster 821 (2015–2021)
07 · Support

Questions, one topic at a time.

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How long does delivery take?

We’re based in Germany. Standard delivery goes by DHL and national postal services and takes about 2–5 days within Germany, 1–2 weeks within the EU and 2–6 weeks outside the EU. Need it sooner? Express delivery reaches most of the world within a few days — just choose it at checkout where available.

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Do you ship to my country?

Yes, we ship to over 130 countries. Prices, taxes and delivery times for your destination are calculated automatically at checkout.

Will I have to pay customs or import duties?

Within the EU, no — our prices already include all duties and EU VAT. For deliveries outside the EU (e.g. Switzerland, the UK or the USA), your order may be subject to import duties and taxes set by your country. These are collected by the carrier when your parcel arrives, aren’t included in our prices, and are outside our control.

How can I track my order?

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Didn’t find your answer?

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08 · Paddock

Before you go.

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