Cylinder Works Big Bore 94mm Cylinder Kit – DR-Z400 / LT-Z400 / KFX400 / DVX400

🛠️ Upgrade your power and performance with this 94mm Big Bore Cylinder Kit from Cylinder Works. Designed as a bolt-on solution that requires no machining, this kit boosts your engine to 434cc and delivers OEM-level reliability with premium components.

✅ What’s Included

• Big Bore Cylinder (94.00mm, Nikasil-plated)

• Vertex Forged Piston Kit

• Piston Rings, Wrist Pin & Circlips

• Complete Top-End Gasket Kit

• Compatible with Hot Cams stroker crank 0921-0211 (for 462cc)

📦 Fitment

• Suzuki DR-Z400 / DR-Z400S / DR-Z400SM (2000–2022)

• Suzuki DR-Z400E (2000–2007)

• Suzuki LT-Z400 QuadSport Z (2003–2014)

• Suzuki LT-Z400 Z LE / SE (2005–2022)

• Kawasaki KFX400 (2003–2006)

• Kawasaki KLX400R (2003–2004)

• Arctic Cat DVX 400 (2004–2008)

🛡️ Warranty Info
Backed by Cylinder Works and Vertex limited manufacturer warranty. Coverage applies to material or workmanship defects only. Improper installation or racing use is not covered.

🔑 Key Features

• 94mm bore increases displacement to 434cc

• Nikasil-plated cylinder – no sleeving required

• Made in the USA

• Matches OEM look and geometry

• Increases power and torque across RPM range

• Add Hot Cams crank for a 462cc stroker build