Boyesen Rad Valve Honda Trx 86-89, Atc 250R 85-86, Cr250 84-85 Liner Quickest acceleration any reed can

Quickest acceleration any reed can offer for that all important holeshot

250 SX 23-

15º and 20º for ACL injury

Scorpa 2 stroke models 11-16

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Boyesen Rad Valve Honda Trx 86-89, Atc 250R 85-86, Cr250 84-85 Liner Quickest acceleration any reed canThe 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