Wiseco Top End Kit – Suzuki DR-Z400 / LT-Z400 / Kawasaki KFX400 / Arctic Cat DVX400 (90mm, 12.2:1) – PK1659

Description

Bring your 400cc engine back to life with the Wiseco PK1659 Complete Top End Kit, featuring a 90.00mm forged piston with a 12.2:1 compression ratio. This race-proven design is trusted by top riders and built for reliability, performance, and long life. Each piston features ArmorGlide® skirt coating to reduce friction and operating temperature while improving durability under high RPM use.

Perfect for stock or modified DR-Z400, LT-Z400, KFX400, or DVX400 engines, this kit includes everything needed for a professional top-end rebuild using Wiseco’s renowned forged components and precision gaskets.

What’s Included

✅ 90.00mm forged piston (12.2:1 compression)
✅ High-performance piston rings
✅ Chrome wrist pin & circlips
✅ Complete top-end gasket set (Cometic-style materials)
✅ ArmorGlide® skirt coating for reduced friction and heat
✅ Piston pin bearing included

Fitment

Direct fit for the following models:
Suzuki: DR-Z400 / DR-Z400S / DR-Z400SM / LT-Z400 QuadSport Z (2000–2021)
Kawasaki: KFX400 (2003–2006)
Arctic Cat: DVX400 (2004–2008)

⚙️ Designed for standard bore 90.00mm cylinders
⚙️ Compatible with OEM or aftermarket cylinder heads
⚙️ Ideal for rebuilds, performance refreshes, or maintenance

Key Features

• Forged aluminum piston for maximum strength-to-weight ratio

• ArmorGlide® skirt coating for smoother operation & longer life

• Aerospace-grade materials for superior heat resistance

• Includes top-end gaskets and piston components

• Designed & manufactured in the USA

• Race-proven across motocross, GNCC, and desert conditions

Warranty Info

Backed by Wiseco’s limited manufacturer warranty for materials and craftsmanship.

Price & SKU

• Retail Price: $284.95

• SKU: PK1659

• Weight: 1.79 lbs

• Handling: Ships next business day