We completely get it, we change our minds too! We offer a full refund on non shipped orders.

Returns must approved with a SERIALNINE representative DO NOT JUST SENT YOUR PRODUCT BACK

Returned items must be in perfect resalable condition *subject to inspection by SERIALNINE upon arrival

Refunds may be subject to a 20% restocking fee

No returns after 30 days from purchase date

No returns on installed or used components

No returns on any electronic products

Customer is responsible for all shipping costs on returns or exchanges to and from SERIALNINE
MUST BE SENT AS WARENTY / RETURN (any duties incurred will be subtracted from the refunded amount)

Refunds will only be processed after products have arrived and been inspected subject to approval

-We ship daily Monday - Friday
-Order processing may take up to three business days.
-Orders placed Friday after noon pst ship until late Monday at the earliest.
-Once your order is placed, you will receive a confirmation email letting you know that our fulfillment team has received your order.
-Once your order is fulfilled, you will receive an separate email with your tracking information.
-You can check your order status with our convenient chat bot on the lower right hand side of the screen

Yes, we ship anywhere worldwide with little to no delays. (Excluding current warzones and sanctioned countries) Shipping costs will apply, and will be added at checkout.

The best way to contact us would be over email to info@serialnine.com or on the Contact Us page on the website, we pride ourselves on being proficient and quick with our email support.

We offer many different payment options including Credit Card, PayPal, Apple Pay, Shop Pay, Google Pay and an interest free payment plan via Sezzle.

Absolutely. Our site is hosted on Shopify, renowned for its robust security infrastructure. Shopify is certified Level 1 PCI DSS compliant, ensuring the highest level of security standards for credit card processing. We employ SSL (Secure Socket Layer) technology, creating a secure connection to protect your information during transmission. Furthermore, Shopify’s infrastructure provides automatic risk analysis and fraud detection, safeguarding against unauthorized access. Rest assured, shopping with us means your data is encrypted, secure, and handled with the highest standard of care.

While SERIALNINE typically doesn't offer sponsorships, we're open to exceptional proposals. Please email info@serialnine.com with detailed plans, car photos, driving videos, and compelling reasons for our potential sponsorship interest.

Our control arms can be used in many different applications when you may want to alter your alignment settings from stock. We currently have our arms used in thousands of vehicles across the globe ranging from daily drivers to full blown racecars.

Yes, Changing suspension components alters your vehicle's geometry, potentially misaligning the wheels. An alignment after installing new parts ensures your car handles correctly, prolonging tire life and maintaining optimal driving performance.

At this time, we do not provide any installation or labor at our shop. We are primarily focused on striving to improve existing products and creating new exceptional products for the chassis' we support.

We'd be happy to see your rides! Send us your photos to info@serialnine.com

Please send in common gallery resolutions such as 1920x1080, 1280x720, or 4K (3840x2160) in JPEG, PNG, or TIFF formats.

*While we love seeing your rides, we can't guarantee all submissions will be featured. Photos must be high quality and capture your car and SERIALNINE products in true SERIALNINE style to be considered.

We currently aren't expanding our dealer/wholesale network at this time, we do not offer dropshipping services. Please feel free to email us at info@serialnine.com if you're interested in purchasing a substantial order of SERIALNINE products and we can discuss working with you.

Please feel free to email us at info@serialnine.com to inquire about a specific product or component, we can then setup an invoice from one of our many payment options and go from there.

Returns must approved with a representative DO NOT JUST SENT YOUR PRODUCT BACK!

Returned items must be in perfect resalable condition *subject to inspection by SERIALNINE upon arrival

Refunds may be subject to a 20% restocking fee

No returns after 30 days from purchase date

No returns on installed or used components

No returns on any electronic products

Customer is responsible for all shipping costs on returns or exchanges to and from SERIALNINE
MUST BE SENT AS WARENTY / RETURN (any duties incurred will be subtracted from the refunded amount)

Refunds will only be processed after products have arrived and been inspected subject to approval

Please feel free to email us at info@serialnine.com and we will provide you with information regarding your order.

The AK49 Steering Knuckle increases steering response and overall steering angle, this can create a much more sporting feel and increase driving enjoyment. We designed the AK49 in mind with it being the most streetable/trackable steering knuckle available on the market. Along with it adding necessary steering angle, the AK49's also act as a roll center adjuster which corrects suspension geometry and reduces bump steer which is inherent on moderately lowered to extremely lowered vehicles. This product is not only recommended for drifting as it can absolutely be enjoyed on a street car

Using just these can get you around 49 degrees, Using these with our extended FLCA will get you around 54 degrees. This is all dependant on your wheel size/offset, tire size, front alignment settings, related suspension components etc..

On most applications, you will require a longer outer or inner tie rod in order to have a correct 0 toe alignment. We have this as a drop down selection to include in the order, to make it easier for all of our customers. We also recommend our JZX100/JZX90 customers to purchase IS300 Tension Arms as they provide more wheel clearance for steering angle compared to what comes on the vehicle stock. Additionally, we also now sell an adjustable Billet Front Tension Rod that provides the most possible clearance, allows for maximum adjustment.

If your lower ball joints are in good shape then no you do not however this is a great opportunity to due so. We highly recommend replacing these ball joints with a high quality solution such as OEM Toyota/Lexus or 555 (OEM Comparable).

No, you will not need to loctite any hardware. The bolts tightened to the correct torque spec is more than adequate and will not come loose. Make sure you inspect that the thread of the spindles are in good shape and the bolts thread in smoothly.

No, please email info@serialnine.com and let us know you are interested in products we do not currently make.

Roll center is a theoretical point around which a vehicle's body rolls during cornering. It's crucial for vehicle stability and handling, as its position affects tire loading and suspension behavior. Properly adjusting roll center, especially in lowered cars, can reduce body roll, enhance grip, and improve overall cornering performance.

Improper roll center adjustment can lead to several adverse effects on a vehicle's handling and stability. These include increased body roll, reduced tire contact with the road, and compromised steering response. Such issues not only deteriorate the vehicle's handling characteristics but also can cause uneven tire wear and put additional stress on suspension components, potentially leading to premature failure.

Yes, Two-piece style Roll Center Adjusters are safe when designed, installed, and used correctly. We take the utmost care in the quality of the materials along with the precision of the engineering and machining. Proper installation is crucial along with ensuring they are correctly fitted and torqued. You might have heard of bolts breaking on bolt on other brands of RCAs? We can confidently say with our product that simply won't happen as we supply the highest quality hardware possible. Routine inspections are also recommended to check for wear and proper bolt torque.

No, we only offer them in 35mm height. We found this is the most usable height for this component and we recommend shortening your uprights/spindles the same amount as this to keep suspension geometry square.

If your lower ball joints are in good shape then no you do not however this is a great opportunity to due so. We highly recommend replacing these ball joints with a high quality solution such as OEM Toyota/Lexus or 555 (OEM Comparable).

No, you will not need to loctite any hardware. The bolts tightened to the correct torque spec is more than adequate and will not come loose. Make sure you inspect that the thread of the spindles are in good shape and the bolts thread in smoothly.

Some products are made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!

Our clothing ranges in size from XS to 5XL depending on the product. If you don't see your size reach out to us it's possible we may be able to make it for you.

We can honor returns within 30 days of delivery. The item will need to be returned in unworn, 100% resellable condition, along with the customer covering return shipping cost. Depending on the product, the return also may include a restocking fee of 20%.

Yes, these polyurethane bushings are not too harsh for everyday street use. Polyurethane bushings balance enhanced handling with comfort, reducing suspension flex for sharper steering and better road feel. Their design absorbs vibrations, ensuring a smooth ride without the harshness associated with stiffer materials. This makes them perfect for improving vehicle responsiveness while keeping the ride enjoyable.

No, the bushings will not create any additional vibration, and will not create any additional noise upon installation.

The #1 bushing we have always found to be failing on these cars is the tension rod bushings, they are usually very cracked and split, and allow the toe to drastically change under normal acceleration and braking . We highly recommend changing these right away.

Our OEM+ Polyurethane bushings are expected to last the life of your vehicle under normal driving conditions.

We suggest greasing the bushings every 4-5 years to prevent any noise or squeak.

No, we have found this to be perfect stiffness for direct movement while still providing a smooth ride. These bushings create the perfect balance between your standard street car and dedicated track car.

Most bushings will require a bushing press tool, or a hydraulic press. Some of these bushings are able to be installed with standard tools. If you aren't comfortable with install, we recommend visiting your local mechanic.

Yes, all of our dual caliper kits ship with both sides enough for one car.

Yes, it is possible to keep your ABS sensors with all of our kits except for the JZX Track option kit. We wanted to create the strongest Dual Caliper kit available for the JZX (Track option) and unfortunately the ABS just interferes too much.

Brackets Only Option: You will need Calipers, Pads, Hard and Soft Lines, Fittings and a Hydro E brake.

Without Plumbing Option: You will need Hard and Soft Lines, Fittings and a Hydro E brake.

Full Kit Option : You will need Hard and a Hydro E brake

Our kits use high quality, long lasting very aggressive Wilwood 15A - 5734K Brake Pads. If you need a replacement caliper or other components, please feel free to reach out to us at info@serialnine.com

Our kits use very high quality, four piston Wilwood 120-6806 or 120-6807 calipers to ensure strong and constant bite no matter the need. If you need a replacement caliper or other components, please feel free to reach out to us at info@serialnine.com

Delrin is a high-performance acetal resin with several desirable physical and mechanical properties. This highly engineered thermoplastic is widely regarded for its durability, stiffness, and exceptional dimensional stability. Attributes include High strength and stiffness properties, Superior dimensional stability, Low moisture absorption, Excellent impact and creep resistance, Chemical resistance to fuels and solvents, Exceptional wear and abrasion properties

While the Delrin is as stiff and durable as aluminum, it has extremely good noise insulating capabilities. The drawbacks of polyurethane differential bushings don't outweigh the benefits of delrin differential bushings.

No, though it is much firmer than rubber, their Delrin design ensures efficient power delivery without significantly increasing harshness, offering a direct feel and improved vehicle dynamics. This is particularly during acceleration and cornering, for a performance-focused driving experience.

Our solid aluminum/delrin bushings are expected to outlast the life of your car.

Though significantly firmer than the OEM rubber, the Aluminum construction of the bushings ensures efficient power delivery without significantly increasing noise or harshness. They will only benefit the overall drivability of the car and will negligibly affect noise and harshness.

The Street option utilizes 72a durometer bushings and is recommended for majority of our customers as it can be used on daily drivers all the way up to dedicated track cars.

The Track option utilizes 87 durometer bushings and is recommended for high horsepower cars and completely dedicated track cars needing little to no engine movement.

Keep in mind, these engines being inline 6's run very smooth and can afford to use a stiffer engine mount without increasing much vibration or discomfort.

No, you will not need any additional hardware for installing these products. We designed them to be the most direct fit as possible. Additionally, the factory supplied hardware is much better than what you would find at a general hardware store or supplier.

"Install error" could refer to any mistake made during the process of installing components on a vehicle. This could include errors such as: Improper alignment, incorrect torque, damaged parts during installation, forgetting of components during installation, cross-threading bolts, or incorrect assembly. To avoid install errors during installation, it's essential to carefully follow SERIALNINE's instructions, use the correct tools and equipment, pay attention to torque specifications, and double-check all components for proper alignment and condition before finalizing the installation. If unsure, seeking guidance from experienced professionals or referring to reputable resources can help ensure a successful installation.

CNC-machined billet aluminum suspension components offer superior strength, precision, and weight reduction compared to hand-fabricated steel. This manufacturing process ensures consistent quality and performance enhancement, optimizing durability and handling for automotive applications.

Yes, All of our arms are sold as a PAIR.

The ONI arms are designed to always be shorter that stock. This means that even at their fully extended length you will still have negative camber. The Sport arms are designed to be able to go slightly longer than stock allowing you to zero out your camber for drifting or any other reason. The SPORT arms will still go shorter than stock and allow you to have some negative camber just not to the extreme degree that the ONI control arms would allow.

Watch this Video

The achievable camber is dependent on many factors such as ride height, and other alignment settings. The position of your lower cam bolt, Are your spindles shortened? The location and type of shortening.

The recommended torque for jam nuts on our control arms is roughly 150lb/ft. (As tight as possible) This is necessary to ensure the adjuster do not come loose from movement/vibrations. The best tool for the job is a low profile 15/16" angled head open ended wrench as it will provide you with the most clearance for tightening. Tighten these as tight as possible. Routine inspections are also recommended to check for wear and proper jsm nut torque.

The rod ends generally last 5 to 7 years depending on the environment the vehicle is driven in, how often and how the vehicle is driven.

The ball joints generally last 4 to 10 years years depending on the environment the vehicle is driven in, how often and how the vehicle is driven.

We recommend shortened spindles/uprights on moderately to extremely low vehicles. Generally vehicles lowered 2.5" or more will likely experience issues without the spindles being shortened. Shortening your spindles will create the additional needed clearance between the Front Upper Control Arms and your upper wheel well, along with correcting your suspension geometry to react more like it should from factory. We would recommend shortening them 35mm, always using a robust jig and done by a professional welder.

You will need to stop driving,raise the car and remove the wheel to inspect and make sure nothing is loose ASAP. First you should check that jam nuts are tight if not, thread everything back together and tighten your jam nut, this is a good time to make sure your remaining jam nuts are tight. If they are move on the inspecting the ball joint nut and then 2 bolts holding the rod end into your car.

It's likely that one of the rod ends on your control arm is worn. A temporary fix would be to spray it with lubricant like WD40, however the long term solution is to replace it with another rod end available on our website. These are considered a wear item and eventually do need replacement once play is apparent.

This is due to the jam nut not being tight enough and the rod end backing out of the adjuster assembly. At its most extreme this can cause the arm to come loose from the car.

If the the rod end and adjuter are still threaded together you can just thread everything back together and tighten your jam nut this is a good time to make sure your remaining jam nut are tight.

If the rod end has separated from the adjuter you will need to make sure to inspect the rod end threads, adjuster threads, and to ensure all of the components (jam nut, tapered washer, adjuster) are all there before reassembly. If you still have all of the components and everything appears to be in good condition, it can be as simple as threading the assembly back together. Please ensure the jam nut is torqued to 150lb/ft (as tight as possible) and that there is enough thread engagement within the adjuster assembly.

We're sorry to hear that happened! Please feel free to reach out to us over email at info@serialnine.com, provide us with some pictures, and we will do what we can to help you. We can sell you replacement components and replacement main arm components, whatever helps you get your car back functional.

"Install error" could refer to any mistake made during the process of installing components on a vehicle. This could include errors such as: Improper alignment, incorrect torque, damaged parts during installation, forgetting of components during installation, cross-threading bolts, or incorrect assembly. To avoid install errors during installation, it's essential to carefully follow SERIALNINE's instructions, use the correct tools and equipment, pay attention to torque specifications, and double-check all components for proper alignment and condition before finalizing the installation. If unsure, seeking guidance from experienced professionals or referring to reputable resources can help ensure a successful installation.

Our CD-PRO adapter is compatible with ANY CD/JK transmission from 2001 ~ Current

Generalized, before 2006 had more issues with synchro wear. After 2006 had better synchros and after 2009 is the best version however the JK transmissions (370Z/G37) are larger and require more work to fit in. In summary we recommend anything after 2006. Nonetheless, the later transmission's are not stronger, they just shift better and are less prone to grinding.

The CD009 is a modern, high tech transmission designed to shift at high RPM, can take a lot of abuse and it can handle a lot of power. It shifts beautifully (especially with the CD999 shifter), and they're readily available both new or used for a decent price.

The CD/JK transmissions are extremely reliable. After thorough testing with years and years of abuse, these transmissions have held up for us with no issues. Gerard currently has CD009's in both of his cars, a 600whp JZX100 Cresta, 350whp JZX110 Mark II Blit and previously his iconic 600whp JZS161 Aristo. Whereas Kevin currently has a CD001 in his 400whp SXE10 Altezza, and a CD009 transmission in his daily driver JZS171 Toyota Crown.

The CD-PRO system offers the smallest physical package for installing a CD009 into your car. Using our CD-PRO kit, the CD009 sits about 5mm below the frame rails on the IS300/JZX110 and 100 (higher or same as a 3" exhaust) We have had no issues on our JZX110 Blit and it is SUPER low. On the Aristo/GS it is higher than the framerails.

The reverse lockout tab and bearing ball assembly are considered regular service interval items. They both last a very long time, however this depends on how the cars driven, what time of year it's driven, how often it's driven etc. These replacements components are available for purchase on our website. If you require any additional components, you can contact us at info@serialnine.com for more information.

It is likely that your reverse lockout plate isn't adjusted correctly, please follow our video here for installation and correct adjustment - https://www.youtube.com/watch?v=_wIsBqyr5rk&t=1s&ab_channel=SERIALNINE

Also ensure that you do not have the lower rubber boot (coming off the gear selector shaft) installed as it interferes with the ability to get into 1st, 3rd, and 5th gears. If none of these options fix your 5th gear issue, unfortunately it's likely your transmission.

No, please do not take apart the main portion of the CD999 shifter as it can be very difficult to put back together without the correct tools. The replacement reverse lockout tab, and replacement lower bushings/bearing ball/linkage actuator can be installed by a customer relatively easily. If your shifter is needing additional service, we offer a full rebuild service for $150, this replaces every wear component and guarantees a fully operational shifter returned to you. You can contact us at info@serialnine.com if you're interested in this service.

We recommend the 3.7 final drive. This was available in: MT IS300, MT JZX90/100 Tourer V, JZX110 ALL turbo (i-RV/VR25)

People saying the "gearing sucks" are either uninformed, have never driven one or had the wrong final drive in it. The CD009 with a 3.7 final drive is very similar to an R154 with a 3.9 or 4.1 but you have one more gear as well as a more modern transmission. The CD has lower and closer 1/2/3 gears which is awesome for turbo spool and spirited driving. 3/4/5 on the R154 are almost identical to 4/5/6 on the CD so high speed and highway driving is essentially the same. Drifting is definitely different as lots of time is spent in 2nd or 3rd. The advantage is you don't have the huge jump from 2-3 of the R154. You can easily grab 3rd mid drift and keep the tires lit with a moderately quick spooling turbo.

Any vehicle equipped with a dual-mass flywheel will experience more noise when replaced with a lightweight flywheel and paired with a high-performance clutch. These components use lightweight materials for improved response and reduced rotational mass. However, these materials can sometimes resonate more than heavier components, contributing to noise under certain conditions. The noise and heat can be dealt with by adding some heat shielding, a pollution boot, sound deadening and anything else that a stock car would have in place above the transmission.

The DS-PRO does not replace the Giubo as such . However it does go in its place as an adapter for a normal 1310/1350 U joint when converting to a 1 piece driveshaft.