ProX FULL Catalogue 2026

31.

28.

29.

35.VS

Valve Installation Instructions on page 460

ENGINE VALVES (O.E.M. Replacement & High Performance Valves)

28.6423-1 28.6520-1 28.2661-2 28.2444-1 28.2453-1 28.2450-1 28.1340-2 28.6326-2 28.4409-1 28.4334-2 28.4339-2 28.3337-2 28.3340-2 28.1413-1 28.3408-1 28.4406-1 28.2419-2 28.1334-2 28.2414-2 28.4353-2 28.1402-1 28.4347-2 28.5594-1 28.4355-2 28.1654-1 28.1323-2 28.6427-1 28.4350-2 28.2600-1 28.2661-1 28.2706-1 28.6333-2 28.4419-1 28.1348-2 28.6425-2 28.1495-2 28.6419-1 28.6420-1 28.6428-1 28.6433-1 28.2396-2 28.2487-1 28.1405-2 28.6423-2 28.6520-2 28.4409-2 28.4416-2 28.1409-2 28.3408-2 28.3406-2 28.3405-2 28.3407-2 28.3402-2 28.4406-2 28.2440-2 28.1402-2 28.6353-2 28.1654-2 28.6351-2 28.6362-2 28.2444-2 28.2450-2 28.2600-2 28.1417-2 28.5594-2 28.4424-2 28.2706-2 28.2453-2 28.6428-2 28.6433-2 28.6419-2 28.4419-2 28.2487-2 28.6427-2 Part No.

594.36.031.000 590.36.031.000 5KM-12111-00 1SL-12121-00 BHR-12121-00 B2W-12121-00 14711-KRN-A40 770.36.030.000 OEM Reference

Titanium Material

Head (mm)

Length (mm)

Stem (mm)

30.00 30.00 30.00 30.50 30.50 30.50 30.50 30.90 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.40 31.70 32.00 32.00 32.00 32.00 32.50 33.00 33.00 33.00 33.00 33.10 33.10 33.10 33.10 34.00 34.00 35.00 35.00 35.00 36.00 36.00 36.00 36.00 36.00 36.00 36.00 36.00 36.00 36.00 36.00 36.00 36.00 36.10 36.10 37.00 37.00 37.00 38.00 38.00 38.00 38.00 39.00 39.90 39.90 40.00 40.00 40.00 40.30

97.00 97.05

6.00 6.00 6.00 5.50 5.50 5.50 5.00 5.00 5.50 4.50 4.50 4.50 4.50 5.00 5.50 5.50 5.00 5.00 5.00 4.50 5.00 4.50 6.00 4.50 6.50 5.50 6.00 4.50 7.00 6.00 6.00 5.00 5.50 5.00 5.50 5.50 6.00 5.00 5.00 6.00 6.00 7.00 5.50 6.00 6.00 5.50 5.50 5.00 5.50 5.50 5.00 5.50 5.00 5.50 5.50 5.50 5.00 6.50 5.50 5.50 5.50 5.50 7.00 5.00 6.00 5.50 6.00 5.50 6.00 6.00 6.00 5.50 7.00 6.00

Steel Steel

100.55

Titanium Titanium Titanium Titanium Titanium Titanium Titanium Titanium Titanium Titanium

85.80 79.60 80.00 89.15 99.40 76.95 79.00 79.20 80.35 80.35 80.45 80.80 82.00 82.95 83.35 83.60 86.55 84.25 88.25 90.60 96.85

12005-0049 12004-0002 12004-0033 12911-10H00 12911-49H00

14721-MEN-A70 12912-28H00 12005-0036 B7B-12111-00 14711-KRN-670 1SM-12111-00

Steel

Titanium Titanium Titanium Titanium Titanium Titanium

12004-0776

14721-MEB-670

Steel

12004-0741 420254682 12004-0783

Titanium

Steel

Titanium

14721-MAN-620 14711-KBB-900 773.36.031.200 12004-0768 1VJ-12121-00 3YF-12121-00 5VK-12121-00 777.36.030.000

Steel Steel

104.15

89.70 89.60 86.50 91.80 92.70 96.25 95.90 78.65 88.00

Titanium Titanium

Steel Steel Steel

Titanium Titanium Titanium Titanium

12005-0780

14711-K95-A20

8000 A4631

100.50 102.80

14711-KCY-670 795.36.031.000 795.36.531.000 780.36.031.000 789.36.031.000 5HO-12111-00 1UY-12121-01 14711-MEY-670 594.36.030.000 590.36.030.000

Steel

Titanium

82.65 82.75 92.25 92.95 93.80

Steel Steel

Titanium

Steel Steel

100.50

Titanium Titanium

84.60 97.00 97.00 78.20 78.20 78.65 81.90 82.00 82.40 82.40 82.50 83.30 83.80 84.60 86.65

Steel

12004-0034 12004-0735

Titanium Titanium Titanium Titanium Titanium Titanium Titanium

14711-MEN-A30 12911-28H00 12911-45G00 12911-35GU0 12911-35G20

12911-29F00 12004-0018

Steel

Titanium Titanium Titanium Titanium

33D-12111-00 14711-MEB-670 A470.36.030.000 14711-MG3-000 772.36.030.000 775.36.030.000 1SL-12111-00 B2W-12111-00 1VJ-12111-00 14711-MKE-A01

Steel

105.75

Titanium

87.20 87.20 83.75 78.00 97.20 78.80 90.30 92.40

Steel

Titanium Titanium

Steel

Titanium

420254293 12004-0781

Steel

Titanium

102.30

5VK-12111-00 BHR-12111-00 780.36.030.000 789.36.030.000 795.36.030.000

Steel

Titanium Titanium Titanium Titanium Titanium

77.40 92.85 93.50 83.70 85.05

12004-0760

Steel

102.60

1UY-12111-01 773.36.030.200

Titanium

88.00

542

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