In warehouse stock
Prox Piston Kit — 87.96 mm — Beta 390RR
- Kit includes piston, rings, wrist pin, circlips and instruction sheet
- The piston is precision machined on state of the art CNC equipment
- Piston rings are made by OEM factories to exact specifications
$221.95
In stock. Ships in 2–4 business days · free shipping over $150.
View cart & check out →
Questions? Call the shop: 801-361-3010
Real shop · real humans · 1231 N 1300 W Ste A, Centerville, UT 84014
Description & features3 features
- Kit includes piston, rings, wrist pin, circlips and instruction sheet
- The piston is precision machined on state of the art CNC equipment
- Piston rings are made by OEM factories to exact specifications
Specifications13 specs
- Bore - Oversize
- Standard
- Riding Style
- Adventure Touring / Dual-Sport, Street
- Units
- Kit
- Bore Size
- 88.00 mm
- Displacement
- 390 cc
- Compression Ratio
- 12.5:1
- Engine Type
- 4-Stroke
- Piston Material
- Aluminum Alloy
- Piston Size
- 87.96 mm
- Type
- Standard Size A
- Shipping weight
- 0.45 lb
- Package size
- 4 × 4 × 3 in
- Country of origin
- USA
Fitment4 models · Beta
Beta4 models
- 390 RR2017–2020, 2023–2024
- 390 RR 4T2015–2016, 2021, 2025
- 390 RR Race Edition 4T2015–2016
- 390 RR-Race Edition2017–2025
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 numbers
- Salto part #
- 0910-6806
- Prox part #
- 01.7365.A
- UPC
- 193564435408
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 #01.7365.A.
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