In warehouse stock

Prox Piston Kit — 48.46 mm — Kawasaki KX85

Prox · #0910-3430 · 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

$99.95

In stock. Ships in 2–4 business days · free shipping over $150.

Questions? Call the shop: 801-361-3010

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

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

Bore Size: 48.50 mm
Compression Ratio: Standard
Bore - Oversize: Standard
Type: Standard Size B
Piston Material: Aluminum Alloy
Piston Size: 48.46 mm
Skirt Coating: Non-Coated
Units: Kit
Riding Style: Off-Road
Displacement: 85 cc
Engine Type: 2-Stroke
Shipping weight: 0.3 lb
Package size: 3.7 × 3.6 × 3.4 in
Country of origin: Japan

Fitment1 models · Kawasaki

Kawasaki1 models

KX852014–2025

Fitment comes from the distributor’s catalog. 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 numbersOEM cross-reference

Salto part #: 0910-3430
Prox part #: 01.4124.B
Replaces OEM #: 13001-0744

Shipping

In stock at a distributor warehouse. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.

Questions4 answers

Is it in stock?: Yes — the distributor shows it on a shelf at a regional warehouse right now. We check again the moment you order, before anything is charged.
How fast will it get to me?: Usually 2–4 business days by ground.
Will it fit my machine?: The distributor lists it 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 ships new from the same distributors the big online stores buy from — Prox part #01.4124.B.