Graves Motorsports Honda CRF 450L, RL + X Smog Block Off Plate

Description

Graves air-injection blanking plates for a closed-course racing conversion.

Specifications and features

• Seals the original air-injection ports at the valve cover.
• CNC-machined billet aluminium.
• Removing secondary-air injection avoids dilution of exhaust-gas readings during air/fuel-ratio tuning.
• One plate supplied.

Fitment

• Honda CRF 450L, CRF 450RL and CRF 450X 2019-2025

Installation and use

• For closed-course competition only. Removes part of the original emissions-control system; not a road-use modification.
• Engine tuning may be required. Reduced overrun popping is not guaranteed.

Manufacturer part number: AB026