Description

Suspension Spring Kit – Stock Height – Front / Rear – Steel – Black Powder Coat – GM A-Body 1964-66 – Kit

Why Choose Us?



Frequently Asked Questions​

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.
We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors. Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 5-10 days.
We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.
Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%
Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.
Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.
We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.
You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.

About UMI PERFORMANCE

UMI Performance was founded in 2002 as a father/son business developing performance parts for GM and Ford products. They quickly began to focus on suspension upgrades for both older and late model muscle cars, and have become a leader in replacement and high-performance suspension components, from individual parts to entire kits.

Reviews

There are no reviews yet.

Be the first to review “UMI PERFORMANCE Performance Spring Kit Factory Height 4048”

Your email address will not be published. Required fields are marked *

Recently viewed products

  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    IDIDIT Flasher Kit 3100037618

    SKU: IDI3100037618
    Product information
    Details...
    Original price was: $71.00.Current price is: $64.00.Add to cart
    Original price was: $71.00.Current price is: $64.00.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    Ti22 PERFORMANCE Ti22 Bag 25pcs TIP048

    SKU: TIP048
    Product information
    • Weight1.5 lbs
    • Dimensions14.2 × 7.4 × 6.8 in
    • Brand

    • Condition

    • Type

    • Manufacturer Part Number

      TIP048

    Details...
    Original price was: $25.19.Current price is: $20.99.Add to cart
    Original price was: $25.19.Current price is: $20.99.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    U-B MACHINE Rubber Trailing Arm End LH Thread 46-2330

    SKU: UBM46-2330
    Product information
    • Weight1.63 lbs
    • Dimensions5.65 × 5.1 × 2.5 in
    • Quantity

      Each

    • Variant

      Yes

    • Driver / Passenger Side

      Driver

    • Outside Diameter

      2.27 in

    • Hole Diameter

      0.5781 in

    Details...
    Original price was: $36.55.Current price is: $33.23.Add to cart
    Original price was: $36.55.Current price is: $33.23.
    Quantity Only 7 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOOKER Black Side Tubes 50735HKR

    SKU: HKR50735
    Product information
    • Weight22 lbs
    • Dimensions46.75 × 10.25 × 7 in
    • Product Line

      Super Competition

    • Length

      44.75 in

    • Material

      Steel

    • Color

      Black

    • Finish

      Paint

    Details...
    Original price was: $395.00.Current price is: $358.95.Add to cart
    Original price was: $395.00.Current price is: $358.95.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WINTERS Spring Locker Orange 58lb 1280O

    SKU: WIN1280O
    Product information
    • Weight0.14 lbs
    • Dimensions3.95 × 3.8 × 3.45 in
    • Material

      Steel

    • Quantity

      Each

    • Color

      Orange

    • Finish

      Paint

    • Length

      3.000 in

    Details...
    Original price was: $23.41.Current price is: $21.28.Add to cart
    Original price was: $23.41.Current price is: $21.28.Add to wishlist
  • Add to wishlist
    Sale
    DIVERSIFIED MACHINE Clamp Splined Inboard Mount SRC-2932
    Add to wishlist

    DIVERSIFIED MACHINE Clamp Splined Inboard Mount SRC-2932

    SKU: DMISRC-2932
    Product information
    • Weight2.65 lbs
    • Dimensions8.3 × 8.2 × 3.7 in
    • Material

      Aluminum

    • Color

      Black

    • Finish

      Anodized

    • Quantity

      Each

    • Rotor Bolt Pattern

      8 x 7 in

    Details...
    Original price was: $285.00.Current price is: $259.09.Add to cart
    Original price was: $285.00.Current price is: $259.09.
    Quantity Only 6 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    COMP CAMS OE Hyd. Roller Lifter Installation Kit -328504
    Add to wishlist

    COMP CAMS OE Hyd. Roller Lifter Installation Kit -328504

    SKU: COM08-1000
    Product information
    • Weight2.105 lbs
    • Dimensions26.1 × 5 × 2.85 in
    • Material

      Steel

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Kit

    • Style

      Dog Bone

    Details...
    Original price was: $189.69.Current price is: $164.95.Add to cart
    Original price was: $189.69.Current price is: $164.95.Add to wishlist
  • Add to wishlist
    Sale
    CANTON Phenolic 2bbl. Adaptor 85-065
    Add to wishlist

    CANTON Phenolic 2bbl. Adaptor 85-065

    SKU: CAN85-065
    Product information
    • Weight1.595 lbs
    • Dimensions8.3 × 7.5 × 1.2 in
    • Material

      Phenolic

    • Color

      Natural

    • Finish

      Natural

    • Quantity

      Each

    • Thickness

      1 in

    Details...
    Original price was: $86.00.Current price is: $78.00.Add to cart
    Original price was: $86.00.Current price is: $78.00.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    AUTOMETER Pro Lite Lens Kit Red 3252
    Add to wishlist

    AUTOMETER Pro Lite Lens Kit Red 3252

    SKU: ATM3252
    Product information
    • Weight0.065 lbs
    • Dimensions7.75 × 5.75 × 1.25 in
    • Color

      Red

    • Quantity

      Kit

    • Variant

      Yes

    • Material

      Plastic

    • Variant Group

      ShiftWarningLightLens1

    Details...
    Original price was: $14.30.Current price is: $13.00.Add to cart
    Original price was: $14.30.Current price is: $13.00.
    Quantity Only 6 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    ARP BBC Head Stud Kit 12pt. 235-4318
    Add to wishlist

    ARP BBC Head Stud Kit 12pt. 235-4318

    SKU: ARP235-4318
    Product information
    • Weight6.9 lbs
    • Dimensions8.6 × 4.1 × 2.4 in
    • Alloy

      8740

    • Material

      Chromoly

    • Color

      Black

    • Finish

      Oxide

    • Quantity

      Kit

    Details...
    Original price was: $261.46.Current price is: $237.69.Add to cart
    Original price was: $261.46.Current price is: $237.69.Add to wishlist

    13