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PROX STEEL INTAKE VALVE/SPRING KIT YZ/WR450F '03-09/YFZ450 '04-09 28.SIS2424-2
$195.95
19-9542
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PROX STEEL INTAKE VALVE/SPRING KIT YZ/WR450F '03-09/YFZ450 '04-09 28.SIS2424-2 Features Steel Valves for increased durability and less wear under extreme conditions Nitrided valves offer...
PROX STEEL EXHAUST VALVE/SPRING KIT YZ/WR450F '03-09/YFZ450 '04-09 28.SES2424-1
$139.95
19-9543
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PROX
WPS
PROX STEEL EXHAUST VALVE/SPRING KIT YZ/WR450F '03-09/YFZ450 '04-09 28.SES2424-1 Features Steel Valves for increased durability and less wear under extreme conditions Nitrided valves offer...
PROX STEEL EXHAUST VALVE/SPRING KIT 28.SES2444-1
$174.82
19-9541
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PROX
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PROX STEEL EXHAUST VALVE/SPRING KIT 28.SES2444-1 Features Steel Valves for increased durability and less wear under extreme conditions Nitrided valves offer high microhardness while...
PROX STEEL INTAKE VALVE/SPRING KIT 28.SIS4341-2
$149.95
19-9531
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PROX
WPS
PROX STEEL INTAKE VALVE/SPRING KIT 28.SIS4341-2 Features Steel Valves for increased durability and less wear under extreme conditions Nitrided valves offer high microhardness while...
PROX STEEL INTAKE VALVE/SPRING KIT 28.SIS2444-2
$174.82
19-9540
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PROX
WPS
PROX STEEL INTAKE VALVE/SPRING KIT 28.SIS2444-2 Features Steel Valves for increased durability and less wear under extreme conditions Nitrided valves offer high microhardness while...
PROX STEEL INTAKE VALVE/SPRING KIT 28.SIS4338-2
$149.95
19-9530
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PROX
WPS
PROX STEEL INTAKE VALVE/SPRING KIT 28.SIS4338-2 Features Steel Valves for increased durability and less wear under extreme conditions Nitrided valves offer high microhardness while...
PROX STEEL INTAKE VALVE/SPRING KIT 28.SIS3338-2
$149.95
19-9529
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PROX
WPS
PROX STEEL INTAKE VALVE/SPRING KIT 28.SIS3338-2 Features Steel Valves for increased durability and less wear under extreme conditions Nitrided valves offer high microhardness while...
PROX STEEL EXHAUST VALVE SPRING KIT 28.SES3338-1
$161.82
19-9528
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PROX
WPS
PROX STEEL EXHAUST VALVE SPRING KIT 28.SES3338-1 Features Steel Valves for increased durability and less wear under extreme conditions Nitrided valves offer high microhardness...
PROX STEEL INTAKE VALVE/SPRING KIT 28.SIS3408-2
$157.34
19-9526
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PROX
WPS
PROX STEEL INTAKE VALVE/SPRING KIT 28.SIS3408-2 Features Steel Valves for increased durability and less wear under extreme conditions Nitrided valves offer high microhardness while...
PROX STEEL EXHAUST VALVE SPRING KIT 28.SES3407-1
$157.34
19-9525
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PROX
WPS
PROX STEEL EXHAUST VALVE SPRING KIT 28.SES3407-1 Features Steel Valves for increased durability and less wear under extreme conditions Nitrided valves offer high microhardness...
PROX STEEL EXHAUST VALVE SPRING KIT 28.SES3405-1
$157.34
19-9523
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PROX
WPS
PROX STEEL EXHAUST VALVE SPRING KIT 28.SES3405-1 Features Steel Valves for increased durability and less wear under extreme conditions Nitrided valves offer high microhardness...
PROX STEEL INTAKE VALVE/SPRING KIT 28.SIS3407-2
$157.34
19-9524
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Engine
PROX
WPS
PROX STEEL INTAKE VALVE/SPRING KIT 28.SIS3407-2 Features Steel Valves for increased durability and less wear under extreme conditions Nitrided valves offer high microhardness while...
