product name
Product Info
The RS Watanabe Forging-R 18 Inch is an authentic Racing Service Watanabe forged aluminum wheel made in Japan. Combining Watanabe’s legendary eight-spoke design language with one-piece forged construction, the Forging-R delivers the unmistakable motorsport-inspired Watanabe appearance in a larger 18-inch format suited to modern performance cars, restomods, stance builds, circuit vehicles, and aggressive wide-body applications.
Key Details
Brand: RS Watanabe / Racing Service Watanabe
Product: Forging-R 18 Inch
Series: Forging-R
Category: Aluminum Wheels
Subcategory: Forging-R
Wheel Diameter: 18 Inch
Wheel Type: Performance / Motorsport-Inspired Wheel
Construction: One-Piece Forged Aluminum
Design: Classic RS Watanabe Eight-Spoke
Made In: Japan
Valve Stem: Included
Center Cap: Optional / Sold Separately
Lug Nuts: Optional / Sold Separately
Custom Specifications: Selected PCD, offset, hub bore, and finish requests may be available subject to manufacturer confirmation
Common Use: Performance street cars, classic JDM, restomod, stance, drift, circuit, show, and wide-body builds
Common Applications
The RS Watanabe Forging-R 18 Inch is suitable for classic and modern Japanese performance vehicles where the traditional Watanabe eight-spoke appearance is desired in a larger-diameter forged wheel. Depending on the selected specification, it can be used for performance street cars, restomods, stance builds, drift cars, circuit vehicles, wide-body projects, and show cars. Final compatibility depends on wheel specification, PCD, hub bore, tire dimensions, brake clearance, suspension setup, ride height, camber, and fender clearance. If you are unsure whether this Forging-R is suitable for your vehicle, please contact us before ordering. Contact us.
RS Watanabe Forging-R Character
Forging-R combines Racing Service Watanabe’s long-established eight-spoke styling with modern forged-wheel construction. It retains the visual character associated with classic Watanabe wheels while providing a more performance-focused construction for enthusiasts who want traditional Japanese styling together with lightweight, high-rigidity wheel engineering.
One-Piece Forged Aluminum Construction
Forging-R is a one-piece forged aluminum wheel. Watanabe developed the Forging-R as the evolution of its earlier forged-wheel concept, combining lightweight construction and high rigidity with the deeper-rim appearance associated with its classic performance wheels. The forged construction is a defining difference between Forging-R and Watanabe’s conventional cast aluminum wheel ranges.
18-Inch Forging-R Configuration
This BNJ listing is specifically for the 18-inch Forging-R range. Wheel width, offset, PCD, hub specification, finish, and any other selectable configuration should be chosen separately through the BNJ product options. Because these specifications directly affect vehicle compatibility, customers should confirm the required configuration before placing an order. The current Japanese manufacturer Forging-R catalog specifically includes an 18-inch lineup.
Classic Eight-Spoke Design
The Forging-R retains the eight-spoke layout that has defined Racing Service Watanabe wheels for decades. Its simple, functional and motorsport-inspired styling makes it suitable not only for classic Japanese sports cars but also for modern performance and restomod builds where a larger wheel diameter is required.
Deep-Rim Performance Design
Forging-R was developed to combine forged construction with the deeper-rim proportions associated with Watanabe’s FR-oriented wheels. The design evolved from Watanabe’s earlier forged wheel development while refining the spoke shape, center section, and rim relationship to create a wheel with both traditional character and modern performance intent.
Performance-Focused Development
Forging-R was developed with real driving performance in mind. Racing Service Watanabe has used Forging-R-equipped vehicles in grip and drift competition, and the company continues to promote the series through its motorsport activities. The emphasis is therefore not only on appearance but also on rigidity, reduced unsprung mass, steering response, and performance under demanding use.
Custom Specification Options
Selected Forging-R configurations may be available with custom PCD, offset, hub bore, or special finish requests. Custom specifications are subject to manufacturer approval and may require additional production time. If the specification required for the vehicle is not shown among the standard BNJ options, please contact us before ordering.
Wheel Fitment Notes
Wheel fitment must be confirmed before ordering. A matching wheel diameter or PCD alone does not guarantee compatibility. Wheel specification, hub bore, brake-caliper clearance, suspension clearance, tire dimensions, steering clearance, camber, ride height, and fender clearance should all be considered together. Aggressive specifications may require suspension adjustment, additional negative camber, modified fenders, overfenders, wider bodywork, or other vehicle-specific changes.
Brake and Suspension Clearance
Brake-caliper and suspension clearance can vary significantly between vehicles even when the wheel bolt pattern is compatible. Vehicles equipped with upgraded brake kits, larger calipers, coilovers, modified suspension arms, spacers, or other aftermarket components should be checked carefully before ordering.
Aggressive Fitment Notes
The 18-inch Forging-R range includes configurations intended for performance and aggressive fitment applications. Depending on the selected specification and vehicle, additional body or suspension clearance work may be required. Customers planning wide-body, overfender, low-ride-height, or high-camber builds should plan the wheel, tire, suspension, and body setup together rather than selecting the wheel specification independently.
Valve Stems, Center Caps and Lug Nuts
Valve stems are included with Forging-R wheels. Center caps and lug nuts are optional and sold separately unless specifically stated otherwise. Customers selecting lug nuts should confirm the correct thread specification, seat configuration, and vehicle compatibility before ordering. The same accessory arrangement is confirmed on Watanabe’s current international Forging-R listing.
What Is Included
This listing is for one RS Watanabe Forging-R 18 Inch wheel in the configuration selected through the BNJ product options unless otherwise stated. A valve stem is included. Tires, center caps, lug nuts, hub rings, spacers, and other accessories are not included unless specifically stated or selected separately.
Made in Japan
The Forging-R is an authentic Racing Service Watanabe product manufactured in Japan. It combines the company’s traditional Japanese wheel design heritage with forged construction and performance-oriented development.
Shipping and Lead Time
In-stock items usually ship 2–3 days after order confirmation.
Out-of-stock or made-to-order items may take approximately 4–6 months.
Custom specifications may require additional production time.
Additional shipping fees may apply depending on destination.
International delivery timing may vary by country, customs clearance, and carrier.
Note: Shipping price listed on website is only for USA customers. For other country, please contact us individually after placing an order. We will revise the shipping quotation.
Important Notes
This is an authentic RS Watanabe Forging-R 18 Inch one-piece forged aluminum wheel made in Japan. Final wheel specification and vehicle compatibility must be confirmed before ordering because fitment depends on the selected configuration and individual vehicle setup. Valve stems are included, while center caps, lug nuts, tires, and other accessories are separate unless specifically stated.
FAQ
Is this an authentic RS Watanabe wheel?
Yes. This is an authentic Racing Service Watanabe product manufactured in Japan.
Is this listing specifically for the 18-inch Forging-R?
Yes. This BNJ listing is specifically for the 18-inch Forging-R range. The current Japanese manufacturer Forging-R catalog confirms 18-inch configurations.
Is Forging-R a forged wheel?
Yes. Forging-R is a one-piece forged aluminum wheel.
Is Forging-R the same as the standard Watanabe Eight Spoke wheel?
No. Although Forging-R carries the recognizable Watanabe eight-spoke appearance, it is a separate forged wheel series.
Is Forging-R the same as Watanabe R Type?
No. Forging-R and R Type are separate Racing Service Watanabe product lines. The Forging-R uses forged aluminum construction, while specifications from the R Type should not be transferred to Forging-R.
What makes Forging-R different from traditional Watanabe wheels?
Forging-R combines the classic Watanabe eight-spoke and deep-rim character with forged aluminum construction and performance-focused engineering.
Why was Forging-R developed?
Watanabe developed Forging-R from its earlier forged-wheel concept to provide lightweight and high-rigidity forged construction together with deeper-rim proportions suitable for performance-oriented FR vehicles.
Are different wheel specifications available?
Yes. The 18-inch Forging-R is available in multiple configurations. Individual selectable specifications should be chosen through the BNJ product attributes.
Are individual widths and offsets listed in this description?
No. Those are selectable product attributes and are intentionally handled separately through the BNJ options.
What PCD is available?
PCD depends on the selected specification. Customers should select the required option when ordering or contact us if they require a configuration not shown.
Can I request a custom PCD?
Selected custom PCD specifications may be possible subject to Racing Service Watanabe approval.
Can I request a custom offset?
Selected offset adjustments may be possible depending on the wheel configuration and manufacturer approval.
Can I request a custom hub bore?
Selected hub-bore machining may be available. Please contact us before ordering if a vehicle-specific hub specification is required.
Can I request a special finish?
Selected special finishes may be available subject to manufacturer availability and production requirements.
Are valve stems included?
Yes. Valve stems are included.
Are center caps included?
No. Center caps are optional and sold separately unless specifically stated otherwise.
Are lug nuts included?
No. Lug nuts are optional and sold separately unless specifically stated otherwise.
Are tires included?
No. Tires are not included unless BNJ specifically offers a separate wheel-and-tire package.
Are hub rings included?
Hub rings are not listed as standard Forging-R equipment and should be purchased separately if required for the selected wheel and vehicle combination.
Is this listing for one wheel or four wheels?
This listing should be treated as one wheel per selected quantity unless BNJ specifically creates a separate set package.
Can different specifications be used at the front and rear?
Yes, a staggered setup may be possible when appropriate specifications are selected for the vehicle. Front and rear fitment should be checked independently.
Will the Forging-R fit my vehicle?
Compatibility depends on the selected specification together with the vehicle's PCD, hub dimensions, brake system, suspension, tire dimensions, ride height, camber, and body clearance.
Does matching PCD guarantee fitment?
No. PCD is only one element of wheel fitment. Brake clearance, hub bore, wheel position, suspension clearance, tire size, and fender clearance must also be checked.
Will aggressive specifications require vehicle modification?
They may. Depending on the vehicle and selected wheel configuration, additional camber, fender modification, overfenders, suspension changes, or other clearance work may be required.
Is Forging-R suitable for motorsport use?
Forging-R was developed with performance use in mind, and Racing Service Watanabe has used Forging-R-equipped vehicles in both grip and drift competition.
Is the wheel made in Japan?
Yes. Forging-R is an authentic Racing Service Watanabe product made in Japan.
How long can made-to-order wheels take?
The current international Forging-R listing advises approximately 4–6 months for out-of-stock or made-to-order products.
Can custom orders take longer?
Yes. Special PCD, offset, hub bore, or finish requests may require additional production time.
Should fitment be confirmed before ordering?
Yes. Final fitment should always be confirmed before ordering, particularly for wide-body, lowered, staggered, performance, or custom vehicle setups.