DRZ400 DRZ DR-Z 400 Big Bore Stroker Stage 2 Cams Complete 470 Rebuild Kit 94 MM
Suzuki DRZ400 470cc Big Bore Stroker Stage 2 Cams Complete Engine Rebuild Kit
đź’Ş Transform Your DRZ400 into a 470cc Powerhouse
Take your Suzuki DRZ400’s performance to the next level with the BPRATV 470cc Big Bore +5mm Stroker Kit. Designed for riders who crave torque, top-end power, and long-lasting reliability, this complete rebuild kit provides everything you need to turn your DRZ400 into a race-ready beast—without any machining required.
🔥 Complete Engine Performance Kit Includes
- 94mm BPRATV Big Bore Cylinder – with a 1-year warranty
- Wiseco, Wossner, CP-Carrillo, or JE Forged Piston* – all high-quality forged brands for maximum durability and power
- Hi-temp piston rings, wrist pin, and circlips included
- Hot Rods +5mm Stroker Crankshaft with connecting rod – no machining required
- Stage 2 Hot Cams – advanced cam profiles for stronger midrange and top-end power
- BPRATV Titanium head stud kit, crank bearings, transmission bearings, and clutch bearings
- Complete gasket set and full seal kit, including water pump mechanical seal and valve stem seals
- BPRATV Heavy Duty Cam Chain and complete clutch kit for smooth, reliable power delivery
⚙️ Fitment & Compatibility
This kit fits all Suzuki DRZ400, DRZ400S, and DRZ400SM models and years. Does not fit DRZ400E.
- Bolt-on installation – no machining required
- Piston compatible with both pump and race gas
- All components are brand new and come with applicable manufacturer warranties
- Built for serious riders seeking a powerful yet reliable upgrade
âť“ Frequently Asked Questions (FAQ)
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Q: What displacement does this kit produce?
A: With the 94mm big bore and +5mm stroker crank, your DRZ400 becomes a 470cc high-performance machine.
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Q: Do I need to modify my engine cases?
A: No machining is required—this is a true bolt-on kit designed for direct installation.
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Q: Will I need to re-jet or tune my carburetor?
A: Yes, re-jetting or EFI tuning is recommended to maximize performance gains.
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Q: Which piston brand will I receive?
A: You will receive a top-quality forged piston from Wiseco, Wossner, CP-Carrillo, or JE depending on current stock. You may request a brand, but availability is not guaranteed.
🌟 Why Buy from BPRATV? Trusted Performance Experts 🌟
At BPRATV, our promise is unwavering: The Best Parts. The Best Performance. The Best Price. We provide only the highest-quality performance rebuild kits for riders who demand reliability, power, and precision. Trust BPRATV to keep your DRZ400 running at its absolute best—every single time.
🔥 Upgrade your Suzuki DRZ400 to a 470cc powerhouse – ride stronger, faster, and farther with BPRATV! 🔥
BPRATV - The Best Parts. The Best Performance. The Best Price.
BRAPPPPPPPPPP!
© BPRATV LLC
Complete Your Build
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Professional Installation Required
Professional installation by a qualified technician is recommended for best results.
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Notice Regarding Photos: Product photos used in our listings are for example only to show item quality, components, and visual reference. You will receive the correct quantity, size, and fitment for the specific kit listed. Exact brands, finishes, packaging, or small components may vary when equivalent-quality parts are used. Please read the full product description for exact details before purchasing.
Bearing Notice: In some cases, you may receive sealed bearings. If your application requires an open bearing, the seals can be removed when appropriate for the application.
Emissions & Race Use Only: Some products may be exempt from emission standards and requirements under 40 C.F.R. § 1051.620 and/or applicable California law. Certain parts are sold only for use with EPA-certified, purpose-built, nonroad vehicles used solely for closed-course, nonroad competition/racing. Installation may void the vehicle manufacturer's warranty and/or may be illegal in some locations. Buyer is responsible for confirming legal use in their application and location.
Warranty & Liability: Due to the nature of high-performance and racing applications, components may be sold without express or implied warranty of merchantability or fitness for a specific purpose except where specifically stated. BPRATV LLC shall not be liable for special, incidental, or consequential damages including loss of property, equipment, profits, or revenue resulting from sale, installation, or use of these parts. High-performance parts are not DIY items; work should be performed by a qualified, experienced mechanic.
Returns: Returns are accepted within 30 days for eligible items that are 100% complete, brand new, unused, uninstalled, and in original packaging. Items that have been installed, prepped, lubricated, sealed, modified, or used are not eligible. For warranty consideration, parts must be sent back for physical inspection. We do not warranty based on photos, emails, or third-party assessments.
Specialty Warranties: Certain specialty items, such as Cub cylinders or titanium fasteners, may have separate warranty terms. Any warranty does not cover improper tuning, installation, maintenance, or misuse.
Interchangeable Parts: Some kits may include interchangeable components or equivalent-quality substitutions to prevent backorder delays. Prices, included items, and listings are subject to change without notice.
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