2Bros Parts

TOP END GASKET SET 85MM KTM SX-F/XC-F 250 19-22, ATHENA P400270160025 300CC BIG BORE, (Piston included)

£52.64Only 1 left

4.1 Trustpilot 99.9% positive on eBay

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

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

1

Athena top end gasket set for 85mm bore big bore conversion. Designed for use with Athena 300cc Big Bore Cylinder Kit (P400270100025). Includes all necessary gaskets for top-end assembly. Suitable for high-performance and racing applications. Manufacturer: Athena. Part Number: P400270160025. Bore Size: 85 mm. Application: 300 cc Big Bore Conversion.

Specifications
SKU
56-K178.85.GKA
Brand
Athena
Availability
In Stock (1)

Fitments (24)

MakeModelYear
HUSQVARNAFC 2502016
HUSQVARNAFC 2502017
HUSQVARNAFC 2502018
HUSQVARNAFC 2502019
HUSQVARNAFC 2502020
HUSQVARNAFC 2502021
HUSQVARNAFE 2502017
HUSQVARNAFE 2502018
HUSQVARNAFE 2502019
KTM250 EXC-F2017
KTM250 EXC-F2018
KTM250 EXC-F2019
KTM250 SX-F2016
KTM250 SX-F2017
KTM250 SX-F2018
KTM250 SX-F2019
KTM250 SX-F2020
KTM250 SX-F2021
KTM250 XC-F2016
KTM250 XC-F2017
KTM250 XC-F2018
KTM250 XC-F2019
KTM250 XC-F2020
KTM250 XC-F2021
SKU
56-K178.85.GKA
Brand
Athena
Availability
In Stock (1)
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Athena 300cc Big Bore Top End Gasket Set - 85mm Bore

This Athena top end gasket set is engineered for high-performance applications, specifically designed to work with the Athena 300cc Big Bore Cylinder Kit (part number P400270100025). This comprehensive set provides all the necessary gaskets for a secure and precise seal during the assembly of your 85 mm big bore conversion's top end.

Key Features:

  • Specifically designed for the Athena 300cc Big Bore Kit (P400270100025).
  • Includes all essential gaskets for top-end installation.
  • Engineered for performance and racing use.
  • Facilitates proper sealing for an 85 mm bore size.

Specifications:

  • Manufacturer: Athena
  • Bore Size: 85 mm
  • Application: 300 cc Big Bore Conversion
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