2Bros Parts

PISTON KIT 11-14 BETA 4T 88.00, PROX 01.7351.A BETA 350RR, Beta RR350 '11-14 12.9:1 CR

£229.85Only 1 left

4.1 Trustpilot 99.9% positive on eBay

Free UK delivery 2–4 business days

Spread the cost with Klarna 18+, T&Cs apply

1

Forged Piston Kit A, 88.00 mm Bore, STD. Compression 12.9:1. ProX Piston Kits are supplied complete with piston rings, wrist pin, and circlips. ProX pistons are precision machined on the latest, state-of-the-art CNC equipment and use the same low-expansion, low-friction piston alloy all major Japanese engine manufacturers use. Uses an OEM style tin coating to assist the break-in process. Replacement part. ProX Ring Set 02.6251. Part Number: PROX 01.7351.A.

Specifications
SKU
56-W9818.A.PX
Brand
Pro-X Racing
Availability
In Stock (1)

Fitments (12)

MakeModelYear
BETARR 3002011
BETARR 3002013
BETARR 3002014
BETARR 3002015
BETARR ENDURO 3502011
BETARR ENDURO 3502012
BETARR ENDURO 3502013
BETARR ENDURO 3502014
BETARR ENDURO 4T 3502011
BETARR ENDURO 4T 3502012
BETARR ENDURO 4T 3502013
BETARR ENDURO 4T 3502014
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
88.00mm
Variant Id
258814
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

ProX Forged Piston Kit A - 88.00 mm Bore

This ProX Piston Kit is precision-machined using state-of-the-art CNC equipment. It features a low-expansion, low-friction piston alloy, identical to that used by major Japanese engine manufacturers.

The kit includes everything needed for installation: piston rings, wrist pin, and circlips.

It utilizes an OEM-style tin coating to aid in the break-in process.

  • Bore Size: 88.00 mm
  • Compression Ratio: 12.9:1
  • Kit Includes: Piston, Piston Rings, Wrist Pin, Circlips
  • Material: Forged Aluminum Alloy
  • Coating: Tin (for break-in assistance)

This is a replacement part designed for optimal performance and durability.

Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.

Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

More answers in our FAQ.

Trade pricing available

Buying parts for your business? Apply for a 2BrosParts trade account.

Apply for Trade
1