2Bros Parts

PISTON KIT 01-08 KTM50 SX 39.5, PROX 01.6012.B

£54.42

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UK delivery £4.99, free over £60 2–4 business days

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Piston kit with a 39.50mm bore. Includes piston rings, wrist pin, and circlips for immediate installation. ProX pistons are precision machined using advanced CNC equipment and employ a low-expansion, low-friction piston alloy utilized by major Japanese engine manufacturers. Features an OEM-style tin coating to aid in the break-in process. Replacement parts include piston rings (02.6012), piston pin (04.1233), and piston clips (05.1210C). Manufacturer part number is 01.6012.B.

Specifications
SKU
56-W803.B.PX
Brand
Pro-X Racing
Availability
In Stock (4)

Fitments (71)

MakeModelYear
BETARK6 501997
BETARK6 501998
BETARK6 501999
BETARK6 502000
BETARK6 502001
BETARK6 502002
BETAST 501996
BETAST 501997
BETAST 501998
BETAST 501999
BETASUPERMOTARD 501996
BETASUPERMOTARD 501997
BETASUPERMOTARD 501998
BETASUPERMOTARD 501999
KTM50 ADVENTURE2002
KTM50 ADVENTURE2003
KTM50 ADVENTURE2004
KTM50 ADVENTURE2005
KTM50 ADVENTURE2006
KTM50 ADVENTURE2007
KTM50 ADVENTURE2008
KTM50 JR ADVENTURE2002
KTM50 JR ADVENTURE2003
KTM50 MINI ADVENTURE2002
KTM50 MINI ADVENTURE2003
KTM50 MINI ADVENTURE2004
KTM50 MINI ADVENTURE2005
KTM50 MINI ADVENTURE2006
KTM50 MINI ADVENTURE2007
KTM50 MINI ADVENTURE2008
KTM50 MINI ADVENTURE GS2002
KTM50 SR ADVENTURE2002
KTM50 SR ADVENTURE2003
KTM50 SR ADVENTURE2004
KTM50 SR ADVENTURE2005
KTM50 SR ADVENTURE2006
KTM50 SR ADVENTURE2007
KTM50 SX2001
KTM50 SX2002
KTM50 SX2003
KTM50 SX2004
KTM50 SX2005
KTM50 SX2006
KTM50 SX2007
KTM50 SX2008
KTM50 SX JR2006
KTM50 SX JR2007
KTM50 SX JR2008
KTM50 SX MINI LC2001
KTM50 SX MINI LC2002
KTM50 SX MINI LC2003
KTM50 SX MINI LC2004
KTM50 SX MINI LC2005
KTM50 SX MINI LC2006
KTM50 SX MINI LC2007
KTM50 SX MINI LC2008
KTM50 SX PRO JR2001
KTM50 SX PRO JR2002
KTM50 SX PRO JR2003
KTM50 SX PRO JR2004
KTM50 SX PRO JR2005
KTM50 SX PRO SR2001
KTM50 SX PRO SR2002
KTM50 SX PRO SR2003
KTM50 SX PRO SR2004
KTM50 SX PRO SR2005
KTM50 SXR ADVENTURE2003
KTM50 SXR ADVENTURE2004
KTM50 SXR ADVENTURE2005
KTM50 SXR ADVENTURE2006
KTM50 SXR ADVENTURE2007
General Product Group
Engine
General Product Type
Pistons & Kits
General Size
39.5mm
Variant Id
257821
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

ProX Piston Kit 39.50mm Bore

This ProX Piston Kit is designed for immediate installation, ensuring a seamless upgrade for your engine. Each kit includes a precisely machined piston, high-quality piston rings, a durable wrist pin, and essential circlips.

ProX pistons are manufactured using advanced CNC equipment, employing the same low-expansion, low-friction piston alloy trusted by major Japanese engine manufacturers. The piston features an OEM-style tin coating, which aids in the crucial break-in process when your machine is first started.

This kit provides all the necessary components for a complete piston replacement, including:

  • Piston Rings
  • Piston Pin
  • Piston Circlips
Before you buy

QUESTIONS? JUST ASK

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

Call us0330 133 3748
Email us[email protected]

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.

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