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ProX Piston Kit — 66.35 mm — Kawasaki KX250

ProX · #PX-4308B · Top End / Engine

Manufactured in Japan and designed to be OEM replacement
Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances
Kit includes piston, ring kit, wrist pin, and circlips

$143.95

Not in stock right now — special order. Order it now and we email the ship date before we charge you a cent.

Questions? Call the shop: 801-361-3010

Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014

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Description & features3 features

Manufactured in Japan and designed to be OEM replacement
Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances
Kit includes piston, ring kit, wrist pin, and circlips

Specifications14 specs

Units: Kit
Bore - Oversize: Standard
Displacement: 250 cc
Piston Material: Aluminum Alloy
Bore Size: 66.40 mm
Compression Ratio: Standard
Engine Type: 2-Stroke
Skirt Coating: Moly Coated
Type: Standard Size B
Piston Size: 66.35 mm
Riding Style: Off-Road
Shipping weight: 0.75 lb
Package size: 3.3 × 3.3 × 3.1 in
Country of origin: Japan

Fitment1 models · Kawasaki

Kawasaki1 models

KX2501992–2004

Fitment comes from the catalog data for this part. Double-check your year, model and trim before you order — or call the counter at 801-361-3010 and we’ll check it with you.

Part numbers

Salto part #: PX-4308B
ProX part #: 01.4322.B

Shipping

Special order. We email the ship date when you order.

Ground shipping is $14.95, free on orders over $150. Stock is checked again before your card is charged.

Questions4 answers

Is it in stock?: It isn’t in stock right now, but we can special-order it. We confirm timing by email when you order, before anything is charged.
How fast will it get to me?: We confirm the ship date when you order. If anything changes, you hear it from us first.
Will it fit my machine?: It’s listed for the models in the Fitment section above. Not sure about your trim or year? Call the counter at 801-361-3010 and we’ll check it with you.
Is this genuine ProX?: Yes. It’s new and genuine, straight from Salto — ProX part #01.4322.B.