JetPrime JP ES 049 Suzuki — SLS/AIS Block-Off Plate — view 1 360° — drag me
02 · Data & docs

The facts.

Technical data
ModelJP ES 049
ManufacturerJetPrime
MaterialCNC-milled Ergal 7075
FitsSuzuki GSX-8R (2024–2025)
InstallationPlug-and-play, no wiring harness modifications required
FitmentSuzuki GSX-8R (2024–2025) / Suzuki GSX-8S (2023–2025)
Road approvalNone — closed-circuit and race use only
DescriptionThe whole story

The JP ES 049 replaces the GSX-8R's PAIR reed housing with a solid aluminium blank sealed on an O-ring.

Key Features

  • Suzuki GSX-8R (2024–2025)
  • Blanks the PAIR ports in the cylinder head
  • Machined from solid aluminium
  • Sealed with an O-ring, no gasket cement
  • Uses the original fastener positions
  • Fully reversible to standard

Two Ports

The parallel twin has one secondary air port per cylinder, so the blank is a single small plate. It is among the quicker jobs on the engine.

Why It Is Fitted at All

Secondary air remains the cheapest route to a Euro 5 certificate. It contributes nothing to how the engine runs and everything to how it measures.

Under the Fairing

On the 8R the top of the engine is hidden, so this is a functional exchange rather than a visual one. The argument for it is entirely about what the port does.

A Track Day Bike

The 8R is comfortable enough to ride to a circuit and quick enough to enjoy there. That combination is why these bikes accumulate modifications quickly.

Gas Analysis

Air entering the exhaust downstream of combustion corrupts every reading a dyno takes. Any mapping work has to start with the system gone.

Machined From Solid

One piece of aluminium with an O-ring groove. Nothing inside it moves and nothing inside it ages.

Two Model Years

The fitment covers 2024 and 2025. The 8R is new and the head arrangement is shared with the rest of the platform.

Not the Circuit

The solenoid is monitored by the ECU whatever is bolted to the head. The fault needs the electrical eliminator.

Type Approval

Removing emissions equipment ends road legality across Europe, and on a bike this new that also affects the warranty position.

Reversible

Original fasteners, original housing, no parts consumed. The engine returns to standard whenever it needs to.

Showa Suspension

Separate function big piston forks at the front rather than the conventional units on the 8S. It is the clearest signal of what Suzuki expected owners to do with the 8R, and it is the component that makes a circuit day worth the entry fee.

Fitment and Compatibility

  • Suzuki GSX-8R (2024–2025)

Specifications

Model JP ES 049
Manufacturer JetPrime
Material CNC-milled Ergal 7075
Fits Suzuki GSX-8R (2024–2025)
Installation Plug-and-play, no wiring harness modifications required
What's includedEverything in the box
  • 1x block-off plate
FitmentWhich bikes this fits
  • Suzuki GSX-8R (2024–2025)
07 · Support

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08 · Paddock

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