Prox Valve & Spring Kit For Yamaha YZF450 2010-2013 Exhaust - Steel Complete Wheels Manufacturer part number: 29

Manufacturer part number: 29

Manufacturer part number: P4003

5 Rear - Red/Semi-Gloss is part of the latest collection from Arlen Ness

Housing Length: 167 cm (65-3/4")

Load/speed index: 46P

Prox Valve & Spring Kit For Yamaha YZF450 2010-2013 Exhaust - Steel Complete Wheels Manufacturer part number: 29The Prox Valve & Spring Kit For Yamaha YZF450 2010 2013 Exhaust Steel is part of the latest collection from Prox. Features: Replaces the OEM valves and valve springs Steel, nitrided valves for increased durability and less wear under extreme conditions Stronger valve springs deal with the extra weight of the steel valves Springs are made from premium chrome vanadium steel for higher performance and durability at high rpm Kit contains a set of steel