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and model-specific performance for each make/model/year machine
} Boyesen engineers have applied a range of technical innovations to their range of intake systems to ensure optimal power
a chain with exceptional resistance
Engineered for optimal power transmission under challenging conditions
They are 40% lighter and 20% lighter than the original Motocross parts
PROX Inlaatklep Titanium - Yamaha YZ450F and model-specific performance for eachTitanium intake and exhaust valves from Prox offer maximum resistance and light weight. Titanium intake valve Forged from one piece Coated with plasma: better thermal resistance and longer service life Recommended in the context of engine tuning Delivered per piece
