In warehouse stock
Prox Piston Kit — 71.94 mm — Beta
- 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
$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
- 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
Specifications13 specs
- Bore - Oversize
- Standard
- Displacement
- 300 cc
- Riding Style
- Off-Road, Adventure Touring / Dual-Sport, Street
- Type
- Standard Size A
- Piston Size
- 71.94 mm
- Units
- Kit
- Piston Material
- Aluminum Alloy
- Engine Type
- 2-Stroke
- Bore Size
- 72.00 mm
- Compression Ratio
- Standard
- Shipping weight
- 0.01 lb
- Package size
- 0 × 0 × 0 in
- Country of origin
- USA
Fitment4 models · Beta
Beta4 models
- 300 RR2020–2021
- 300 RR (2 Stroke)2018–2019
- 300 RX2021–2025
- X-Trainer 3002018–2021
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 #
- 0910-6807
- Prox part #
- 01.7398.A
- UPC
- 193564283139
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 #01.7398.A.
More Prox top end
In warehouse stock
Top End Gasket Set - Honda
Prox · #0934-7760
$93.95
In warehouse stock
Valve Shims - 7.48 Mm X 2.20 Mm - 5 Pack
Prox · #0926-0890
$10.95
In warehouse stock
Exhaust Valve - Yamaha
Prox · #0926-0684
$40.95
In warehouse stock
Valve And Spring Kit - Exhaust - Ktm
Prox · #0926-1429
$155.95
✓ Free shipping
In warehouse stock
Intake Valve - Honda
Prox · #0926-0676
$22.95