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The Best Parts • The Best Performance • The Best PriceKTM 450 SX-F XC-F Top End Kit 95mm Wiseco Piston Husqvarna FC 450 GasGas \'16-23
Race-ready BPRATV 95mm stock bore top end rebuild kit for KTM, Husqvarna & GasGas 450 models. Features Wiseco piston, Nikasil cylinder, Cometic gaskets & Kibblewhite valve seals.
2016–2023 KTM Husqvarna GasGas 450 Top End Rebuild Kit 95mm Wiseco Complete Race-Ready Cylinder & Piston Solution
The BPRATV KTM Husqvarna GasGas 450 Top End Rebuild Kit is a premium, race-ready solution engineered for serious motocross and off-road riders. Built around a 95mm stock bore platform, this kit combines a forged Wiseco piston, brand new BPRATV Nikasil-plated cylinder, and trusted sealing components to restore factory-clearance reliability with proven performance.
🔥 Key Features & Benefits
Every component is selected to deliver long service life, strong compression, and crisp throttle response with a true direct bolt-on installation.
- Brand new BPRATV 95mm Nikasil-plated cylinder manufactured to OEM specifications
- Wiseco forged 13.5:1 compression piston for race-proven durability and power
- Complete piston kit including rings, wrist pin, and circlips
- Cometic top end gasket kit with premium MLS head gasket
- Kibblewhite Precision\'s LEGENDARY high-temp RED Viton valve stem seals for extreme heat resistance
- Genuine KPMI RED Viton Stem Seals (no bait-and-switch blues!).
✅ Compatibility
Designed for KTM, Husqvarna, and GasGas 450 four-stroke engines using the 95mm stock bore configuration.
- KTM 450 SX-F / XC-F / SMR (2016–2023)
- Husqvarna FC 450 / FX 450 / FS 450 (2016–2022)
- GasGas MC 450 F / EX 450 F (2021–2023)
- Motocross and off-road closed-course competition use
- Stock bore replacement with no machining required
❓ Frequently Asked Questions (FAQ)
- Q: Does this kit require cylinder boring or machining?
A: No. This kit installs as a stock-bore, direct bolt-on replacement.
- Q: Is the piston kit complete?
A: Yes. The Wiseco piston includes rings, wrist pin, and circlips.
- Q: Can this be used for racing?
A: Absolutely. This kit is designed for race-ready and high-performance applications.
- Q: Are valve stem seals included?
A: Yes. A full set of Kibblewhite Precision red Viton valve stem seals is included.
🌟 Why Buy from BPRATV? Trusted Performance Experts 🌟
At BPRATV, our promise is unwavering: The Best Parts. The Best Performance. The Best Price. Every kit is carefully assembled using proven components from industry-leading brands. Trust BPRATV to keep your KTM, Husqvarna, or GasGas 450 running at its best, every single time.
Rebuild with confidence and unleash factory-fresh power today.
BPRATV - The Best Parts. The Best Performance. The Best Price.
BRAPPPPPPPPPP!
© BPRATV LLC 1-year limited warranty from the manufacturer for material or workmanship defects.* Due to the nature of high performance and racing applications, BPRATV LLC components are sold without express warranty or any implied warranty of merchantability or fitness for a specific purpose. BPRATV LLC shall not, under any circumstances, be liable for any specific, incidental or consequential damages, including, but not limited to, damage, or loss of property or equipment, loss of profits or revenue(s), cost of purchased or replacement goods, or claims of customers of the purpose, which may arise and/or shall result from sale, installation or use of these parts. Installation of these parts may void vehicle manufacturers warranty coverage and/or may cause the vehicle to be illegal in some locations. This product is exempt from the emission standards and related requirements of 40 C.F.R. § 1051 as provided by 40 C.F.R. § 1051.620, and California law [e.g., vehicle code§§ 27156 and 38391]. This product is sold only for use in connection with EPA-certified, purpose-built, nonroad vehicles used solely for closed course, nonroad competition/racing.
Photos Are For Example Only Images show product quality, components, and visual reference. Exact parts, brands, finishes, quantities, or packaging may vary by kit. Please read the full product description for exact details before purchasing.Complete Your Build
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$1,299.99 BPRATV Performance Standard
Built around proven parts, real-world support, and the performance-focused service riders expect from BPRATV.
Performance Parts SpecialistsUSA Based Company
Worldwide ShippingTechnical Support AvailableTrusted by RidersBPRATV - The Best Parts. The Best Performance. The Best Price.
BRAPPPPPPPPPP!Professional Installation Required
Professional installation by a qualified technician is recommended for best results.
If you have questions about this item or your order, our customer support team is always happy to help.
BPRATV: Over 20 Years of Excellence in Parts & Service
Upland, CA | Monday - Friday, 7 am - 4 pm PST
We ship worldwide Monday through Friday | ¡Hablamos Español!
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.
Customer Satisfaction: If you experience any issue with your order, please contact us through Messages before leaving response. Our team is committed to resolving any concerns quickly and professionally.
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