ProX FULL Catalogue 2026

DIRTBIKE

VALVE TRAIN PARTS I

PISTON KITS SIZES (mm)

PISTON PARTS

CRANKSHAFT PARTS

CONNECTING ROD PARTS

GASKETS

VALVE TRAIN PARTS II

KAWASAKI

DIRT APRILIA BETA BMW

KX 250 F 4-Stroke

Piston Kit 01.4335.A 01.4335.B 01.4335.C

Size 76.96 76.97 76.98

Ring Set 02.4334 02.4334 02.4334 (‘04-05) 02.4336 02.4336 02.4336 (‘06-09) 02.3340 02.3340 02.3340 02.4336 02.4336 02.4336 (‘11-14) 02.3340 02.3340 02.3340 (‘15-16) 02.4336 02.4336 02.4336 (‘17-19) (‘10)

Crank Bearing

Con. Rod Kit

Complete 34.4334 (‘04-05) 34.4336 (‘06-08) 34.4339 (‘09-16) 34.4317 (‘17-18) 34.4319 (‘19-20) 34.4321 (‘21-24) Top-End 35.4334 (‘04-08) 35.4339

Cam Chain

Valve

& Seal Kit

03.4334 (‘04-09) 03.4340 (‘10-11) 03.4342 (‘12-16) 03.4347 (‘17-20) 03.4351 (‘21-26)

31.2402 (‘04-16) 31.4347 (‘17-19) 31.2429 31.4351 (‘21-24) 31.4355 (‘25-26) (‘20)

28.4334-1

Please Note:

23.CBS43004

(‘04-16) 2x Exhaust

Nikasil Piston Size

(‘04-20)

Titanium 28.4334-2 Titanium 28.4339-2 Titanium 28.4347-1 Titanium 28.4347-2 Titanium 28.4350-1 Titanium 28.4350-2 Titanium 28.4353-2 Titanium 28.4355-1 Titanium 28.4355-2

-Std. Compression 12.6:1

(‘04-05)

23.CBS43051

-Forged Piston

(‘21-26)

(‘04-08) 2x Intake

DUCATI FANTIC GAS GAS HONDA HUSABERG HUSQVARNA KAWASAKI KTM MOTO TM RIEJU SHERCO STARK SUZUKI

Bearing

Please Note:

01.4337.A 01.4337.B 01.4337.C

76.96 76.97 76.98

Nikasil Piston Size

23.6206RSI (‘04-26) 2x Oil Seal Set 41.4-0030

(‘09-16) 2x Intake

-Std. Compression 13.5:1

-Forged Piston

(‘06-09)

(‘17-19) 2x Exhaust

B/E Bearing 22.303818F

Valve Shim Assortment 29.VSA748

Please Note:

01.4340.A 01.4340.B 01.4340.C

76.96 76.97 76.98

Nikasil Piston Size

(‘04-20) Right (1x)

-Std. Compression 13.2:1

42.4351 (‘21-26)

(‘04-09)

(‘17-19) 2x Intake

-Forged Piston

(‘10)

22.303819F

(‘04-19)

(‘12-16)

29.VSA748-2

Please Note:

01.4342.A 01.4342.B 01.4342.C

76.96 76.97 76.98

(‘04-19)

(‘20-24) 2x Exhaust

Crankpin 06.3055

Nikasil Piston Size

(‘09-16) 35.4317 (‘17-18) 35.4350 (‘19-20) 35.4351 (‘21-24) 36.4304 (‘04-08) 36.4309 (‘09-16) 36.4317 (‘17-18) 36.4350 (‘19-20) 36.4351 (‘21-24)

29.VSA948

TRIUMPH YAMAHA

-Std. Compression 13.5:1

(‘20-26)

-Forged Piston -Fuel Injection

(‘11-14)

(‘04-09)

29.VSA948-2

(‘20-22) 2x Intake

06.3055.9

(‘20-26)

(‘10-26)

STREET APRILIA CAGIVA HONDA KAWASAKI KTM SUZUKI YAMAHA

Please Note:

01.4345.A 01.4345.B 01.4345.C

76.96 76.97 76.98

(‘23-24) 2x Intake

Nikasil Piston Size

-Std. Compression 13.8:1

Head & Base

-Forged Piston -Fuel Injection

(‘15-16)

(‘25-26) 2x Exhaust

Please Note:

01.4348.A 01.4348.B 01.4348.C

76.96 76.97 76.98

(‘25-26) 2x Intake

Nikasil Piston Size

Titanium

-Std. Compression 13.8:1

TI-Steel

-Forged Piston -Fuel Injection

(‘17-19)

Conversion Kit 28.SES4335-1 (‘04-16) Exhaust 28.SIS4335-2 (‘04-06) Intake 28.SIS4336-2 (‘07-08) Intake 28.SIS4338-2 (‘09-10) Intake 28.SIS4341-2 (‘11-16) Intake

Please Note:

01.4350.A 01.4350.B 01.4350.C

77.96 77.97 77.98

02.6333 02.6333 02.6333

Nikasil Piston Size

-Std. Compression 14.2:1

CAN-AM GAS GAS HONDA KAWASAKI KTM POLARIS SUZUKI YAMAHA ATV-UTV

Ignition

-Forged Piston -Fuel Injection

(‘20)

(‘20)

Cover Gasket

19.G94304

Please Note:

01.4351.A 01.4351.B 01.4351.C

77.96 77.97 77.98

02.4351 02.4351 02.4351 (‘21-26) 02.4351 02.4351 02.4351 (‘21-26) 02.4351 02.4351 02.4351 (‘21-26)

(‘04-08)

Nikasil Piston Size

19.G94339

-Std. Compression 14.1:1

(‘09-16)

-Forged Piston -Fuel Injection

(‘21-22)

19.G94317

Valve Seal 35.VS021 (‘04-26) 4x

(‘17-20)

19.G94351

Please Note:

01.4353.A 01.4353.B 01.4353.C

77.96 77.97 77.98

(‘21-24)

Nikasil Piston Size

19.G94355

-Std. Compression 14.1:1

(‘25-26)

-Forged Piston

(‘23-24)

Please Note:

01.4355.A 01.4355.B 01.4355.C

77.96 77.97 77.98

PWC

Nikasil Piston Size

-Std. Compression 14.0:1

-Forged Piston

(‘25-26)

KAWASAKI POLARIS SEA DOO YAMAHA

Pin 04.1645 (‘04-09) 04.1637.9

(‘11-14) 04.1645 (‘15-16)

SNOW

Clips 05.1612C (‘04-19) 05.1610 (‘20-26)

ARCTIC CAT KAWASAKI LYNX MOTO-SKI

POLARIS SKI DOO YAMAHA

Moped & Scooter Misc. Tech. Special

Footnotes: * Bearings Only ** Rubbers included

198

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