Graves motorsports honda CRF 450L, RL + X 19-23 smog block off plate AB026 Crankcase Breather/Support Bracket Kit — Crankcase Breather/Support Bracket Kit Please also note that this

Please also note that this system requires the cutting of your stock system for fitment

you may not reuse your stock vented cap

Stepped 1 3/4” to 1 7/8” headpipes

Engine covers are now being mandated by most racing orgainizations across the USA (Moto America+ MRA + CCS + WERA + AFM

Graves motorsports honda CRF 450L, RL + X 19-23 smog block off plate AB026 Crankcase Breather/Support Bracket Kit — Crankcase Breather/Support Bracket Kit Please also note that thisGraves Motorsports Smog Block Off Plate for Honda CRF 450L, CRF 450RL and CRF 450X 2019 2022. Graves Motorsports Smog Block Off Plates are designed to seal off the ports on the valve cover used by the air injection system (a. k. a smog pumps or AIS). Sold as 1 plate shown. This product is intended for closed course competition use only. Use of this product for any other purpose is strictly prohibited. Fitment: Honda CRF 450L, CRF 450RL and CRF 450X