2Bros Parts

PISTON KIT KTM 520 525 EXC SX, PROX 01.6522.B BETA 525RR

$221.62

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Delivery to United States 5–8 business days

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ProX forged piston kit with a 95.00 mm bore and 12.5:1 compression ratio. This kit includes piston rings, wrist pin, and circlips. Precision machined on CNC equipment using a low-expansion, low-friction piston alloy. Features OEM-style tin coating for break-in assistance. Replacement parts: ProX Ring Set 02.6424, ProX Piston Pin 04.2050.5, ProX Clips 05.2012. SKU 56-W216+00B.PX. Part number 01.6522.B.

Specifications
SKU
56-W216+00B.PX
Brand
Pro-X Racing
Availability
In Stock (2)
General Product Group
Engine
General Product Type
Pistons & Kits
Variant Id
255044
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

ProX Piston Kit for KTM, Beta, and Polaris - 95.00mm Bore

This ProX Piston Kit is designed for high-performance motorcycle and ATV engines, offering a direct replacement for your original piston. Engineered for reliability and power, this kit ensures your engine runs at its peak efficiency.

Key Features:

  • Forged Piston: Constructed from a durable forged aluminum alloy for superior strength and longevity.
  • High Compression: Features a 12.5:1 compression ratio to enhance power and throttle response.
  • Complete Kit: Supplied ready to install, including the piston rings, wrist pin, and circlips.
  • Precision Machining: Manufactured using state-of-the-art CNC equipment for exact tolerances and a perfect fit.
  • Advanced Alloy: Utilizes a low-expansion, low-friction piston alloy, identical to those used by major Japanese engine manufacturers.
  • OEM Style Tin Coating: Features an OEM style tin coating to aid in the crucial break-in process for optimal performance from the start.
  • Direct Replacement: Designed as a replacement part for specific engine applications, ensuring compatibility.

This kit is an ideal choice for riders seeking to maintain or upgrade their engine's performance with high-quality, reliable components.

Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).

Call or email us with your make, model and year and we will check it for you before you order.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. 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.

Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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