Cylinder Works 90mm Standard Bore Kit – DRZ400 KLX400
Cylinder Works Standard Bore 90mm Cylinder Kit – DR-Z400 / KLX400R
🛠️ Refresh your engine the right way with this OEM-style standard bore cylinder kit from Cylinder Works. Designed for durability, performance, and convenience, it’s a complete bolt-on solution that eliminates the need for replating or machine work.
✅ What’s Included
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Nickel-Silicon Carbide Plated 90mm Cylinder
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Vertex Piston Kit (piston, rings, wrist pin, and clips)
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Complete Top-End Gasket Kit
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Ready-to-install, direct bolt-on replacement
📦 Fitment
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Suzuki DR-Z400 / DR-Z400S / DR-Z400SM (2000–2022)
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Suzuki DR-Z400E (2000–2007)
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Kawasaki KLX400R (2003–2004)
🛡️ Warranty Info
Covered under Cylinder Works’ limited warranty for defects in materials or workmanship. Warranty does not apply to racing use, improper installation, or misuse.
🔑 Key Features
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90.00mm standard bore – maintains OEM displacement
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Nickel-Silicon Carbide coating for long wear life
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Matches OEM appearance and geometry
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No replating or machining required
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Designed and manufactured in the USA
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11.3:1 compression ratio, 400cc displacement
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
- Sneakers: 1–2 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.
