ProX FULL Catalogue 2026

31.

28.

29.

35.VS

ProX offers a complete range of high quality Titanium Valves for MX and ATV segment. The ProX Titanium Valves are forged in one piece for extra strength. The use of a special Ti3Al material in combination with a CrN coating will give the valves better material properties under high temperatures offering greater durability over the OEM Titanium Valves. ENGINE VALVES (O.E.M. Replacement & High Performance Valves)

Titanium Valve Features • Forged in one piece for extra strength.

• Use of special Ti3Al for better material properties under high temperatures. • CrN coating for extra hardness and less friction between valves and guides. • Greater durability than OEM Titanium Valves. • Full range of products for MX and ATV available from stock.

Next to the Titanium valves ProX also offers a complete line of steel valves. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The ProX steel valves are made by the leading OEM factories in Japan and are a direct and cost-efficient OEM replacement. ProX steel valves can be used in combination with all the OEM valve train components like valve springs, guides, bases and retainers. A complete line of steel valves is available for Dirtbike and ATV.

Steel Valve Features • Manufactured by the leading OEM factories in Japan. • Made to exact OEM specs and tolerances.

Valve Installation Instructions on page 474

• The steel valves are a direct and cost efficient OEM replacement. • Complete range for Dirtbike and ATV available from ready stock.

Part No. 28.1070-1 28.2200-1 28.1227-1 28.1070-2 28.2401-2 28.2401-3 28.1356-1 28.2401-1 28.4334-1 28.4347-1 28.3337-1 28.2414-1 28.1340-1 28.1381-1 28.2200-2 28.1227-2 28.1348-1 28.1338-1 28.1334-1 28.1226-1 28.4350-1 28.4355-1 28.6333-1 28.6326-1 28.2423-2 28.2423-3 28.2418-2 28.2420-2 28.2418-3 28.2420-3 28.1323-1 28.6343-1 28.2423-1 28.2418-1 28.2420-1 28.6425-1 28.2396-1 28.1356-2 28.3406-1 28.3405-1 28.3407-1 28.3402-1 28.6353-1 28.1495-1 28.6351-1 28.6362-1 28.1409-1 28.1226-2 28.1407-1 28.2440-1 28.1381-2

OEM Reference 14721-GF6-000 5HP-12121-00 14721-KSE-670 14711-GN5-713 5NL-12111-10 5NL-12112-10 14721-KCZ-000 5NL-12121-10

Material

Head (mm)

Length (mm)

Stem (mm)

Steel Steel Steel Steel

20.00 22.00 22.50 23.00 23.00 23.00 23.50 24.50 25.00 25.00 25.00 25.00 25.00 25.00 26.00 26.00 26.00 26.00 26.00 26.00 26.50 26.50 26.50 26.60 27.00 27.00 27.00 27.00 27.00 27.00 27.00 27.50 28.00 28.00 28.00 28.50 28.50 28.50 29.00 29.00 29.00 29.00 29.00 29.00 29.10 29.00 30.00 30.00 30.00 30.00 30.00

65.40 63.60 79.90 65.90 78.55 80.05 95.65 77.85 79.10 80.40 80.60 82.40 84.20 91.50 64.40 78.00 80.80 82.00 82.10 82.40 81.25 88.00 98.30 92.90 76.30 77.20 83.25 83.25 84.35 84.35 89.20 98.55 75.08 82.00 82.00 90.55 92.55 96.60 81.00 81.30 81.30 81.35 87.05

5.00 5.00 4.50 5.00 4.00 4.00 5.00 4.50 4.50 4.50 4.50 4.50 4.50 5.50 5.00 4.50 5.00 4.50 5.00 5.00 4.50 4.50 5.00 5.00 4.50 4.50 4.50 4.50 4.50 4.50 5.50 5.00 5.00 5.00 5.00 5.00 6.00 5.00 5.50 5.00 5.50 5.00 5.00 5.50 5.50 5.50 5.00 5.00 5.00 5.50 5.50

Titanium Titanium

Steel

Titanium Titanium Titanium Titanium Titanium

12005-0002 12005-0761

12912-10H00 1SM-12121-00 14721-KRN-A40 14721-437-000 5HP-12111-01 14711-KSE-670 14721-K95-A20 14721-KRN-A10 14721-KRN-670 14721-KRM-840

Steel Steel Steel Steel

Titanium

Steel Steel Steel

12005-0794 12005-0807

Titanium Titanium Titanium Titanium Titanium Titanium

777.36.031.000 770.36.031.000 5TA-12111-00 5TA-12112-00 5BE-12111-10 5JG-12111-00 5BE-12112-10 5JG-12112-00 14721-KBB-900 A460.36.031.000 5TA-12121-00 5BE-12121-10 5JG-12121-00

Steel

Titanium

Steel

Titanium

Steel

Titanium Titanium

Steel

Titanium Titanium

8000 A4161

5HO-12121-00 14711-KCZ-000 12912-45G00 12912-35G00 12912-35G20 12912-29F00 A470.36.031.000 14721-KCY-670 772.36.031.100 775.36.031.000 14721-MEN-A30 14711-KRM-840 14721-MEN-A00 33D-12121-00 14711-437-000

Steel Steel

Titanium Titanium Titanium

Steel

Titanium

Steel

101.30

Titanium

89.10 89.10 80.55 83.45 84.30 85.95 92.05

Steel Steel Steel Steel

Titanium

Steel

technical

541

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