Product description
The Prox Valve For Gas Gas EX450F 2021-2024 Exhaust - Titanium is part of the latest collection from Prox.
Features:
- The ProX titanium valves are manufactured to high quality standards
- High tech Ti3al alloy is forged in one-piece for extra strength
- The material offers superior material properties at high temperatures the additional CrN coating offers extreme surface hardness and creates considerably lower friction
- The ProX titanium valves do exceed OE specifications in dimensions and reliability
Specifications:
- Application: Exhaust
- Color/Finish: Titanium
- Material: Titanium
- Model: OEM Replacement
- Product Name: Valve
- Type: Exhaust Valve
- Units: Each
To fit:
- GAS GAS EX 450 F 2021 American Models
- GAS GAS EX 450 F 2022 American Models
- GAS GAS EX 450 F 2023 American Models
- GAS GAS EX 450 F 2024 American Models
- GAS GAS MC 450 F 2021 All Models
- GAS GAS MC 450 F 2022 Troy Lee All Models
- GAS GAS MC 450 F 2022 All Models
- GAS GAS MC 450 F 2023 All Models
- GAS GAS MC 450 F 2024 Factory Edition All Models
- GAS GAS MC 450 F 2024 All Models
- GAS GAS MC 450 F 2025 Factory Edition All Models
- GAS GAS MC 450 F 2025 Prado Edition All Models
- GAS GAS MC 450 F 2025 All Models
- GAS GAS MC 450 F 2026 All Models
- HUSQVARNA FC 450 2019 Rockstar Edition All Models
- HUSQVARNA FC 450 2019 All Models
- HUSQVARNA FC 450 2020 Rockstar Edition All Models
- HUSQVARNA FC 450 2020 All Models
- HUSQVARNA FC 450 2021 All Models
- HUSQVARNA FC 450 2022 Rockstar Edition American Models
- HUSQVARNA FC 450 2022 All Models
- HUSQVARNA FC 450 2023 Heritage All Models
- HUSQVARNA FC 450 2023 All Models
- HUSQVARNA FC 450 2024 Rockstar Edition All Models
- HUSQVARNA FC 450 2024 All Models
- HUSQVARNA FC 450 2025 Factory Edition All Models
- HUSQVARNA FC 450 2025 All Models
- HUSQVARNA FC 450 2026 Factory Edition All Models
- HUSQVARNA FC 450 2026 All Models
- HUSQVARNA FC 450 2027 All Models
- HUSQVARNA FS 450 2019 All Models
- HUSQVARNA FS 450 2020 All Models
- HUSQVARNA FS 450 2021 All Models
- HUSQVARNA FS 450 2022 All Models
- HUSQVARNA FS 450 2023 All Models
- HUSQVARNA FS 450 2024 All Models
- HUSQVARNA FS 450 2025 All Models
- HUSQVARNA FS 450 2026 All Models
- HUSQVARNA FX 450 2019 American Models
- HUSQVARNA FX 450 2020 American Models
- HUSQVARNA FX 450 2021 American Models
- HUSQVARNA FX 450 2022 American Models
- HUSQVARNA FX 450 2023 American Models
- HUSQVARNA FX 450 2024 American Models
- KTM SMR 450 2021 All Models
- KTM SMR 450 2022 All Models
- KTM SMR 450 2023 All Models
- KTM SMR 450 2024 All Models
- KTM SMR 450 2025 All Models
- KTM SMR 450 2026 All Models
- KTM SX-F 450 2019 Factory Edition American Models
- KTM SX-F 450 2019 Herlings Replica European Models
- KTM SX-F 450 2019 All Models
- KTM SX-F 450 2020 Cairoli All Models
- KTM SX-F 450 2020 Factory Edition All Models
- KTM SX-F 450 2020 All Models
- KTM SX-F 450 2021 All Models
- KTM SX-F 450 2022 Factory Edition American Models
- KTM SX-F 450 2022 All Models
- KTM SX-F 450 2023 All Models
- KTM SX-F 450 2024 Factory Edition All Models
- KTM SX-F 450 2024 All Models
- KTM SX-F 450 2025 Factory Edition All Models
- KTM SX-F 450 2025 All Models
- KTM SX-F 450 2026 Factory Edition All Models
- KTM SX-F 450 2026 All Models
- KTM SX-F 450 2027 All Models
Manufacturer part number: 28.6419-1
View all Prox. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Prox Valve For Gas Gas EX450F 2021-2024 Exhaust - Titanium
To fit:
- GAS GAS EX 450 F 2021 American Models
- GAS GAS EX 450 F 2022 American Models
- GAS GAS EX 450 F 2023 American Models
- GAS GAS EX 450 F 2024 American Models
- GAS GAS MC 450 F 2021 All Models
- GAS GAS MC 450 F 2022 Troy Lee All Models
- GAS GAS MC 450 F 2022 All Models
- GAS GAS MC 450 F 2023 All Models
- GAS GAS MC 450 F 2024 Factory Edition All Models
- GAS GAS MC 450 F 2024 All Models
- GAS GAS MC 450 F 2025 Factory Edition All Models
- GAS GAS MC 450 F 2025 Prado Edition All Models
- GAS GAS MC 450 F 2025 All Models
- GAS GAS MC 450 F 2026 All Models
- HUSQVARNA FC 450 2019 Rockstar Edition All Models
- HUSQVARNA FC 450 2019 All Models
- HUSQVARNA FC 450 2020 Rockstar Edition All Models
- HUSQVARNA FC 450 2020 All Models
- HUSQVARNA FC 450 2021 All Models
- HUSQVARNA FC 450 2022 Rockstar Edition American Models
- HUSQVARNA FC 450 2022 All Models
- HUSQVARNA FC 450 2023 Heritage All Models
- HUSQVARNA FC 450 2023 All Models
- HUSQVARNA FC 450 2024 Rockstar Edition All Models
- HUSQVARNA FC 450 2024 All Models
- HUSQVARNA FC 450 2025 Factory Edition All Models
- HUSQVARNA FC 450 2025 All Models
- HUSQVARNA FC 450 2026 Factory Edition All Models
- HUSQVARNA FC 450 2026 All Models
- HUSQVARNA FC 450 2027 All Models
- HUSQVARNA FS 450 2019 All Models
- HUSQVARNA FS 450 2020 All Models
- HUSQVARNA FS 450 2021 All Models
- HUSQVARNA FS 450 2022 All Models
- HUSQVARNA FS 450 2023 All Models
- HUSQVARNA FS 450 2024 All Models
- HUSQVARNA FS 450 2025 All Models
- HUSQVARNA FS 450 2026 All Models
- HUSQVARNA FX 450 2019 American Models
- HUSQVARNA FX 450 2020 American Models
- HUSQVARNA FX 450 2021 American Models
- HUSQVARNA FX 450 2022 American Models
- HUSQVARNA FX 450 2023 American Models
- HUSQVARNA FX 450 2024 American Models
- KTM SMR 450 2021 All Models
- KTM SMR 450 2022 All Models
- KTM SMR 450 2023 All Models
- KTM SMR 450 2024 All Models
- KTM SMR 450 2025 All Models
- KTM SMR 450 2026 All Models
- KTM SX-F 450 2019 Factory Edition American Models
- KTM SX-F 450 2019 Herlings Replica European Models
- KTM SX-F 450 2019 All Models
- KTM SX-F 450 2020 Cairoli All Models
- KTM SX-F 450 2020 Factory Edition All Models
- KTM SX-F 450 2020 All Models
- KTM SX-F 450 2021 All Models
- KTM SX-F 450 2022 Factory Edition American Models
- KTM SX-F 450 2022 All Models
- KTM SX-F 450 2023 All Models
- KTM SX-F 450 2024 Factory Edition All Models
- KTM SX-F 450 2024 All Models
- KTM SX-F 450 2025 Factory Edition All Models
- KTM SX-F 450 2025 All Models
- KTM SX-F 450 2026 Factory Edition All Models
- KTM SX-F 450 2026 All Models
- KTM SX-F 450 2027 All Models

ProX is a Dutch brand specialising in high-quality replacement parts for motorcycles, motocross, ATVs, and other powersports vehicles. Their range includes pistons, connecting rods, clutch components, bearings, and valves, all manufactured to OEM standards. ProX parts are trusted worldwide for durability, precision, and performance, making them a go-to choice for riders.
Product description
The Prox Valve For Gas Gas EX450F 2021-2024 Exhaust - Titanium is part of the latest collection from Prox.
Features:
- The ProX titanium valves are manufactured to high quality standards
- High tech Ti3al alloy is forged in one-piece for extra strength
- The material offers superior material properties at high temperatures the additional CrN coating offers extreme surface hardness and creates considerably lower friction
- The ProX titanium valves do exceed OE specifications in dimensions and reliability
Specifications:
- Application: Exhaust
- Color/Finish: Titanium
- Material: Titanium
- Model: OEM Replacement
- Product Name: Valve
- Type: Exhaust Valve
- Units: Each
To fit:
- GAS GAS EX 450 F 2021 American Models
- GAS GAS EX 450 F 2022 American Models
- GAS GAS EX 450 F 2023 American Models
- GAS GAS EX 450 F 2024 American Models
- GAS GAS MC 450 F 2021 All Models
- GAS GAS MC 450 F 2022 Troy Lee All Models
- GAS GAS MC 450 F 2022 All Models
- GAS GAS MC 450 F 2023 All Models
- GAS GAS MC 450 F 2024 Factory Edition All Models
- GAS GAS MC 450 F 2024 All Models
- GAS GAS MC 450 F 2025 Factory Edition All Models
- GAS GAS MC 450 F 2025 Prado Edition All Models
- GAS GAS MC 450 F 2025 All Models
- GAS GAS MC 450 F 2026 All Models
- HUSQVARNA FC 450 2019 Rockstar Edition All Models
- HUSQVARNA FC 450 2019 All Models
- HUSQVARNA FC 450 2020 Rockstar Edition All Models
- HUSQVARNA FC 450 2020 All Models
- HUSQVARNA FC 450 2021 All Models
- HUSQVARNA FC 450 2022 Rockstar Edition American Models
- HUSQVARNA FC 450 2022 All Models
- HUSQVARNA FC 450 2023 Heritage All Models
- HUSQVARNA FC 450 2023 All Models
- HUSQVARNA FC 450 2024 Rockstar Edition All Models
- HUSQVARNA FC 450 2024 All Models
- HUSQVARNA FC 450 2025 Factory Edition All Models
- HUSQVARNA FC 450 2025 All Models
- HUSQVARNA FC 450 2026 Factory Edition All Models
- HUSQVARNA FC 450 2026 All Models
- HUSQVARNA FC 450 2027 All Models
- HUSQVARNA FS 450 2019 All Models
- HUSQVARNA FS 450 2020 All Models
- HUSQVARNA FS 450 2021 All Models
- HUSQVARNA FS 450 2022 All Models
- HUSQVARNA FS 450 2023 All Models
- HUSQVARNA FS 450 2024 All Models
- HUSQVARNA FS 450 2025 All Models
- HUSQVARNA FS 450 2026 All Models
- HUSQVARNA FX 450 2019 American Models
- HUSQVARNA FX 450 2020 American Models
- HUSQVARNA FX 450 2021 American Models
- HUSQVARNA FX 450 2022 American Models
- HUSQVARNA FX 450 2023 American Models
- HUSQVARNA FX 450 2024 American Models
- KTM SMR 450 2021 All Models
- KTM SMR 450 2022 All Models
- KTM SMR 450 2023 All Models
- KTM SMR 450 2024 All Models
- KTM SMR 450 2025 All Models
- KTM SMR 450 2026 All Models
- KTM SX-F 450 2019 Factory Edition American Models
- KTM SX-F 450 2019 Herlings Replica European Models
- KTM SX-F 450 2019 All Models
- KTM SX-F 450 2020 Cairoli All Models
- KTM SX-F 450 2020 Factory Edition All Models
- KTM SX-F 450 2020 All Models
- KTM SX-F 450 2021 All Models
- KTM SX-F 450 2022 Factory Edition American Models
- KTM SX-F 450 2022 All Models
- KTM SX-F 450 2023 All Models
- KTM SX-F 450 2024 Factory Edition All Models
- KTM SX-F 450 2024 All Models
- KTM SX-F 450 2025 Factory Edition All Models
- KTM SX-F 450 2025 All Models
- KTM SX-F 450 2026 Factory Edition All Models
- KTM SX-F 450 2026 All Models
- KTM SX-F 450 2027 All Models
Manufacturer part number: 28.6419-1
View all Prox. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Prox Valve For Gas Gas EX450F 2021-2024 Exhaust - Titanium
To fit:
- GAS GAS EX 450 F 2021 American Models
- GAS GAS EX 450 F 2022 American Models
- GAS GAS EX 450 F 2023 American Models
- GAS GAS EX 450 F 2024 American Models
- GAS GAS MC 450 F 2021 All Models
- GAS GAS MC 450 F 2022 Troy Lee All Models
- GAS GAS MC 450 F 2022 All Models
- GAS GAS MC 450 F 2023 All Models
- GAS GAS MC 450 F 2024 Factory Edition All Models
- GAS GAS MC 450 F 2024 All Models
- GAS GAS MC 450 F 2025 Factory Edition All Models
- GAS GAS MC 450 F 2025 Prado Edition All Models
- GAS GAS MC 450 F 2025 All Models
- GAS GAS MC 450 F 2026 All Models
- HUSQVARNA FC 450 2019 Rockstar Edition All Models
- HUSQVARNA FC 450 2019 All Models
- HUSQVARNA FC 450 2020 Rockstar Edition All Models
- HUSQVARNA FC 450 2020 All Models
- HUSQVARNA FC 450 2021 All Models
- HUSQVARNA FC 450 2022 Rockstar Edition American Models
- HUSQVARNA FC 450 2022 All Models
- HUSQVARNA FC 450 2023 Heritage All Models
- HUSQVARNA FC 450 2023 All Models
- HUSQVARNA FC 450 2024 Rockstar Edition All Models
- HUSQVARNA FC 450 2024 All Models
- HUSQVARNA FC 450 2025 Factory Edition All Models
- HUSQVARNA FC 450 2025 All Models
- HUSQVARNA FC 450 2026 Factory Edition All Models
- HUSQVARNA FC 450 2026 All Models
- HUSQVARNA FC 450 2027 All Models
- HUSQVARNA FS 450 2019 All Models
- HUSQVARNA FS 450 2020 All Models
- HUSQVARNA FS 450 2021 All Models
- HUSQVARNA FS 450 2022 All Models
- HUSQVARNA FS 450 2023 All Models
- HUSQVARNA FS 450 2024 All Models
- HUSQVARNA FS 450 2025 All Models
- HUSQVARNA FS 450 2026 All Models
- HUSQVARNA FX 450 2019 American Models
- HUSQVARNA FX 450 2020 American Models
- HUSQVARNA FX 450 2021 American Models
- HUSQVARNA FX 450 2022 American Models
- HUSQVARNA FX 450 2023 American Models
- HUSQVARNA FX 450 2024 American Models
- KTM SMR 450 2021 All Models
- KTM SMR 450 2022 All Models
- KTM SMR 450 2023 All Models
- KTM SMR 450 2024 All Models
- KTM SMR 450 2025 All Models
- KTM SMR 450 2026 All Models
- KTM SX-F 450 2019 Factory Edition American Models
- KTM SX-F 450 2019 Herlings Replica European Models
- KTM SX-F 450 2019 All Models
- KTM SX-F 450 2020 Cairoli All Models
- KTM SX-F 450 2020 Factory Edition All Models
- KTM SX-F 450 2020 All Models
- KTM SX-F 450 2021 All Models
- KTM SX-F 450 2022 Factory Edition American Models
- KTM SX-F 450 2022 All Models
- KTM SX-F 450 2023 All Models
- KTM SX-F 450 2024 Factory Edition All Models
- KTM SX-F 450 2024 All Models
- KTM SX-F 450 2025 Factory Edition All Models
- KTM SX-F 450 2025 All Models
- KTM SX-F 450 2026 Factory Edition All Models
- KTM SX-F 450 2026 All Models
- KTM SX-F 450 2027 All Models

ProX is a Dutch brand specialising in high-quality replacement parts for motorcycles, motocross, ATVs, and other powersports vehicles. Their range includes pistons, connecting rods, clutch components, bearings, and valves, all manufactured to OEM standards. ProX parts are trusted worldwide for durability, precision, and performance, making them a go-to choice for riders.































