Boyesen Rad Valve Suzuki Rm250 01 Plastics so all types and sizes

so all types and sizes of helmets fit into it

​· Husqvarna TC125 2015 / TC250 2015

KTM 200 EXC 2001-2002

swing arms

Bell MX 2024 MX-9 Mips Adult Helmet (Alter EGO Blue)

Boyesen Rad Valve Suzuki Rm250 01 Plastics so all types and sizesThe Boyesen Rad Valve features a sophisticated array of performance attributes designed to provide peak horsepower gains, durability, and model specific performance for each make model year machine. Each Boyesen RAD Valve is unique tailor made to that model, year and displacement. With the new RC2 Rad Valve System, Boyesen engineers have created a lineage of aerodynamic intake technology by refining the primary performance factors required to increase