Valves

GasGas engine valves for motorcycles, manufactured by PROX and VERTEX, ensure optimal combustion and improved engine response. They withstand heat and wear for maximum longevity.

Showing 1-21 of 21 item(s)

-13.33%

Shipped the 17/07/2026

Valves

Exhaust valve PROX – Generic 33.10mm Ø 5mm, 52 vehicles compatible 2020-2024

PROX

28.6420-1

€44.88 €51.78

PROX replacement exhaust valve for motorcycles. Manufacturer reference: 28.6420-1. Sold individually.Inner/outer diameter: 33.10 mmThickness: 5 mmMaterial: steelType: exhaust valveCompatibility: 52 listed vehiclesEasy and reliable installation

VERTEX Titanium Intake Valve - KTM - Vertex - 8400041-2

VERTEX Titanium Intake Valve - KTM - Vertex - 8400041-2 2

-20%

Out of stock - No confirmed delay

Valves

VERTEX Titanium Intake Valve - KTM

VERTEX

8400041-2

€100.83 €126.04

VERTEX titanium inlet and exhaust valves are forged and coated with plasma for greater resistance.Highly resistant to heatA benchmark in longevityIdeal for engine tuningSupplied as a single unit

VERTEX Titanium Exhaust Valve - KTM - Vertex - 8400041-1

VERTEX Titanium Exhaust Valve - KTM - Vertex - 8400041-1 2

-20%

Shipped the 17/07/2026

Valves

VERTEX Titanium Exhaust Valve - KTM

VERTEX

8400041-1

€100.83 €126.04

.cs95E872D0{text-align:left;margin:0pt 0pt 0pt 0pt;}.csA7555675{color:#000;background-color:transparent;font-weight:normal;font-style:normal;} VERTEX titanium inlet and exhaust valves are forged and coated with plasma for greater resistance to thermal stress.

VERTEX Titanium Intake Valve - KTM - Vertex - 8400035-2

VERTEX Titanium Intake Valve - KTM - Vertex - 8400035-2 2

-20%

Out of stock - No confirmed delay

Valves

VERTEX Titanium Intake Valve - KTM

VERTEX

8400035-2

€100.83 €126.04

VERTEX TITANIUM INLET VALVE FOR KTM

VERTEX Titanium Exhaust Valve - KTM - Vertex - 8400035-1

VERTEX Titanium Exhaust Valve - KTM - Vertex - 8400035-1 2

-20%

Shipped the 17/07/2026

Valves

VERTEX Titanium Exhaust Valve - KTM

VERTEX

8400035-1

€100.83 €126.04

VERTEX TITANIUM EXHAUST VALVE FOR KTM

VERTEX Titanium Intake Valve - Vertex - 8400058-2

-20%

Out of stock - No confirmed delay

Valves

VERTEX Titanium Intake Valve

VERTEX

8400058-2

€100.83 €126.04

.cs95E872D0{text-align:left;margin:0pt 0pt 0pt 0pt;}.csA7555675{color:#000;background-color:transparent;font-weight:normal;font-style:normal;} Vertex’s titanium replacement valves are crafted from military-spec certified TI3Al titanium alloy. Forged from a single blank, grain flow is improved to enhance the mechanical characteristics of the valve...

VERTEX Steel Exhaust Valve - Vertex - 8400058-1

-19.98%

Out of stock - No confirmed delay

Valves

VERTEX Steel Exhaust Valve

VERTEX

8400058-1

€33.81 €42.25

VERTEX Titanium Intake Valve - Vertex - 8400057-2

-20%

Shipped the 17/07/2026

Valves

VERTEX Titanium Intake Valve

VERTEX

8400057-2

€95.04 €118.80

VERTEX Titanium Exhaust Valve - Vertex - 8400057-1

-20%

Shipped the 17/07/2026

Valves

VERTEX Titanium Exhaust Valve

VERTEX

8400057-1

€95.04 €118.80

VERTEX Titanium Intake Valve - Vertex - 8400056-2

-20%

Out of stock - No confirmed delay

Valves

VERTEX Titanium Intake Valve

VERTEX

8400056-2

€95.04 €118.80

VERTEX Titanium Exhaust Valve - Vertex - 8400056-1

-20%

Out of stock - No confirmed delay

Valves

VERTEX Titanium Exhaust Valve

VERTEX

8400056-1

€95.04 €118.80

PROX Valve Exhaust Titanium - Prox - 28.6353-1

PROX Valve Exhaust Titanium - Prox - 28.6353-1 2

-17.25%

Shipped the 17/07/2026

Valves

PROX Valve Exhaust Titanium

PROX

28.6353-1

€87.70 €105.98

TITANIUM high-performance racing valve exhaust. The ProX Titanium valves are manufactured to high quality standards. High-tech Ti3al alloy is forged in one piece for added strength, while the material offers superior material properties at high temperatures the additional CRN coating provides extreme surface hardness and creates significantly lower...

PROX Valve Exhaust Titanium - Prox - 28.6343-1

PROX Valve Exhaust Titanium - Prox - 28.6343-1 2

-17.25%

Shipped the 17/07/2026

Valves

PROX Valve Exhaust Titanium

PROX

28.6343-1

€87.70 €105.98

TITANIUM high-performance racing valve exhaust The ProX Titanium valves are manufactured to high quality standards. High-tech Ti3al alloy is forged in one piece for added strength, while the material offers superior material properties at high temperatures the additional CRN coating provides extreme surface hardness and creates significantly...

PROX Valve Intake Titanium - Prox - 28.6353-2

PROX Valve Intake Titanium - Prox - 28.6353-2 2

-17.25%

Shipped the 17/07/2026

Valves

PROX Valve Intake Titanium

PROX

28.6353-2

€87.70 €105.98

PROX Titanium Intake Valve - Prox - 28.6419-2

PROX Titanium Intake Valve - Prox - 28.6419-2 2

-17.25%

Out of stock - No confirmed delay

Valves

PROX Titanium Intake Valve

PROX

28.6419-2

€89.95 €108.70

.cs95E872D0{text-align:left;margin:0pt 0pt 0pt 0pt;}.csA7555675{color:#000;background-color:transparent;font-weight:normal;font-style:normal;}.cs4FC7BF42{text-align:left;margin:0pt 0pt 0pt 0pt;list-style-type:disc;color:#000;background-color:transparent;font-weight:normal;font-style:normal;} Prox titanium inlet and exhaust valves combine maximum...

PROX Titanium Exhaust Valve - Prox - 28.6419-1

PROX Titanium Exhaust Valve - Prox - 28.6419-1 2

-17.25%

Out of stock - No confirmed delay

Valves

PROX Titanium Exhaust Valve

PROX

28.6419-1

€89.95 €108.70

Prox titanium inlet and exhaust valves combine maximum strength and a reduced weight. Titanium valve Forged from a single part Plasma coating: increased thermal resistance and greater longevity Recommended for engine tuning Supplied as a single unit

PROX Steel Intake Valve - Prox - 28.6362-2

-13.32%

Shipped the 17/07/2026

Valves

PROX Steel Intake Valve

PROX

28.6362-2

€34.06 €39.30

.cs95E872D0{text-align:left;margin:0pt 0pt 0pt 0pt;}.csA7555675{color:#000;background-color:transparent;font-weight:normal;font-style:normal;}.cs4FC7BF42{text-align:left;margin:0pt 0pt 0pt 0pt;list-style-type:disc;color:#000;background-color:transparent;font-weight:normal;font-style:normal;} ProX offers a complete line of steel valves. The ProX...

PROX Steel Exhaust Valve - Prox - 28.6362-1

-13.33%

Shipped the 17/07/2026

Valves

PROX Steel Exhaust Valve

PROX

28.6362-1

€44.88 €51.78

.cs95E872D0{text-align:left;margin:0pt 0pt 0pt 0pt;}.csA7555675{color:#000;background-color:transparent;font-weight:normal;font-style:normal;}.cs4FC7BF42{text-align:left;margin:0pt 0pt 0pt 0pt;list-style-type:disc;color:#000;background-color:transparent;font-weight:normal;font-style:normal;} ProX offers a complete line of steel valves. The ProX...

PROX Titanium Intake Valve - KTM - Prox - 28.6351-2

PROX Titanium Intake Valve - KTM - Prox - 28.6351-2 2

-17.24%

Shipped the 17/07/2026

Valves

PROX Titanium Intake Valve - KTM

PROX

28.6351-2

€80.96 €97.82

PROX Titanium Intake Valve - KTM - Prox - 28.6333-2

PROX Titanium Intake Valve - KTM - Prox - 28.6333-2 2

-17.25%

Shipped the 17/07/2026

Valves

PROX Titanium Intake Valve - KTM

PROX

28.6333-2

€83.51 €100.92

Prox titanium valves are precision forged from a single part and coated with plasma, optimising resistance to heat and wear.

PROX Titanium Exhaust Valve - KTM - Prox - 28.6333-1

PROX Titanium Exhaust Valve - KTM - Prox - 28.6333-1 2

-17.25%

Shipped the 17/07/2026

Valves

PROX Titanium Exhaust Valve - KTM

PROX

28.6333-1

€83.51 €100.92

Prox titanium valves are precision forged from a single part and coated with plasma, optimising resistance to heat and wear.