H&R 03-08 Nissan 350Z Sport Spring

We’re passionate, real car enthusiasts located in Appleton, Wisconsin who care about you modifying your car the right way; with the right aftermarket car parts. With a combined 75 years of aftermarket car building experience, we make sure you’re always buying the right part for your car.

Every part available is the lowest price on the internet, ensuring you’re getting the best deal to modify your car. With the largest catalog of aftermarket wheel brands, performance brands, and suspension brands, MartiniWorks supports your build through real product reviews, real experiences, and a real customer experience team that loves helping you mod your car.

MartiniWorks specializes in wheels, tires, suspension and performance brands like Enkei Wheels, Continental Tires, Work Wheels, Injen Intakes, K&N Performance, Greddy, Stage Wheels, Advan Wheels, General Tires, BC Racing Coilovers, Fifteen52 Wheels, Fortune Auto Coilovers, and many more. Check out our entire store here!

We know how aftermarket car parts work, and we post everyday on parts, car builds, and automotive news to keep you in the know on the up and coming things for your car. Take a look at our channels and if you’d like to see us do a video on a product, let us know in the comments!

Shipping times vary depending on item availability. While we work closely with our vendors and manufacturers, inventory accuracy may sometimes cause potential delays. Unless a specific lead time is listed on this product page, expect to receive an email or communication with an ETA within 1-3 business days of placing an order. Many suspension kits ship within 5 business days while some take 7-10 business days (Excluding made to order products like Fortune Auto). Availability on backordered or custom made products will very and we will keep you informed via email with any arrival date changes. You will receive tracking information as soon as it is available so you can easily track all of your aftermarket car parts from us here at MartiniWorks.

Due to the nature of products arriving overseas or around the world, orders with multiple products may arrive to your door at different times. All shipping prices are based on delivery to the lower 48 states unless specified otherwise and do not include any duties or custom fees you may be subject to.

Aftermarket car parts like intakes, lug nuts, bolts, and smaller items will typically be shipped via USPS or Fedex; in a standard size box. Aftermarket wheels will be shipped in their original box with tracking via Fedex/UPS via LTL; and may arrive at different times to your door.

Wheel & tire packages will be shipped to you via freight and will require signature and courier confirmation. Please keep in mind that many wheel & tire packages will be off-loaded to you via lift gate and MartiniWorks is typically not responsible for any additional charges for that service.

Upon receiving your items, please promptly check them and inform us of any issues, damages, or discrepancies. Before beginning any installation or taking your vehicle to a mechanic, ensure that all components and boxes are accounted for and match the packing list or provided instructions. We cannot cover any expenses incurred from installation delays caused by absent components. Should you find any parts missing or damaged due to shipping, contact us without delay for assistance in obtaining a replacement. Please note, we are unable to address claims for missing or damaged parts if reported more than 14 days after delivery.

For any modifications or cancellations to your order, please contact us, and we will assist you in making the necessary adjustments to your shipment. Our system is designed for rapid processing, meaning your order might be further along in preparation than anticipated. Please be aware that cancellations can incur a restocking fee unless the error was on our part.

Restocking fees for cancellations depend on the specific items and the order's progress at the time of cancellation. If you submit a cancellation within 24 hours of placing the order, we may waive these fees. Typically, restocking fees range from 10-25%. However, due to agreements with our suppliers and the costs associated with shipping and handling, certain products may have higher restocking fees once their processing has started.

Please get in touch with us for any concerns or inquiries about returns; we are committed to ensuring your satisfaction with your purchase. It's important to note that delivering our products often involves significant effort and expense, which we need to recuperate unless the oversight is on our part.

Returns are subject to a restocking fee, which varies based on the ordered items and their manufacturers. Generally, the restocking fee ranges from 10-25%. However, due to agreements with our suppliers and the costs of shipping and handling, certain items may be subject to a higher restocking fee.

Before returning any item, it's essential to obtain our approval. Contact us to arrange for a return authorization. Return requests must be made within 30 days from the date you received the merchandise. Once authorized, items must be sent back within 14 days. We can supply return packaging with detailed instructions for securely preparing your items for shipment, if necessary. If an item is returned in improper packaging and sustains damage during the return process, you may be held liable for the cost of the damaged product.

Manufacturer warranties are fully applicable, and we're here to help ensure you receive a product that meets your standards. In certain cases involving warranties, it may be necessary for the manufacturer to get in touch with you directly. Please be aware that we cannot cover any expenses not specifically included in the manufacturer's warranty, such as shipping or labor costs. If you have any questions or need assistance, don't hesitate to reach out to us. It's important to note that only the original buyer is eligible to make warranty claims.

WARNING: This product can expose you to Nickel, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to p65warnings.ca.gov.