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Home Chassis & Suspension Suspension Components UMI Performance Stage 3.5 Handling Kits GBF035-2-B
QA1 1961-71 D100 Independent Front Suspensions 52615-D600
QA1 1961-71 D100 Independent Front Suspensions 52615-D600 $2,880.00
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KW Variant 3 Coilover Kits 35261011
KW Variant 3 Coilover Kits 35261011 $2,588.00

UMI Performance Stage 3.5 Handling Kits GBF035-2-B

$2,100.00

Handling Kit, 2″ Lowering, Stage 3.5- Black

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Category: Suspension Components
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Description

Overview

Brand: UMI Performance
Manufacturer’s Part Number: GBF035-2-B
Part Type: Suspension Handling Packages
Product Line: UMI Performance Stage 3.5 Handling Kits
Summit Racing Part Number: UPI-GBF035-2-B
Front Coil Springs Included: Yes
Rear Coil Springs Included: Yes
Rear Leaf Springs Included: No
Front Shocks/Struts Included: Yes
Front Shock Type: Non-adjustable
Rear Shocks/Struts Included: Yes
Rear Shock Type: Non-adjustable
Front Sway Bar Included: Yes
Front Sway Bar Color: Black
Front Sway Bar Type: Solid
Front Sway Bar Diameter (in.): 1.250 in.
Front Sway Bar Diameter (mm): 31.75 mm
Rear Sway Bar Included: Yes
Rear Sway Bar Color: Black
Rear Sway Bar Type: Solid
Rear Sway Bar Diameter (in.): 1.000 in.
Rear Sway Bar Diameter (mm): 25.40 mm
Tie Rod Sleeves Included: No
End Link Bushings Included: Yes
Rear Leaf Spring Bushings Included: No
Sway Bar Bushings Included: Yes
Upper Trailing Arms Included: Yes
Lower Trailing Arms Included: Yes
Trailing Arm Mount Braces Included: No
Panhard Bar Included: No
Torque Arm Included: No
Upper Control Arms Included: Yes
Lower Control Arms Included: Yes
Control Arm Style: Tubular
Control Arm Material: Steel
Control Arm Color: Black
Front Strut Tower Bar Included: No
K-Member Included: No
K-Member Support Brace Included: No
Rear Strut Tower Bar Included: No
Subframe Connectors Included: No
Chassis Stiffener Included: Yes
Calipers Included: No
Rotors Included: No
Brake Pads Included: No
Brake Lines Included: No
Wheel Studs Included: No
Center Link Included: No
Spindles Included: No
Inner Tie Rod Ends Included: No
Outer Tie Rod Ends Included: No
Bushing Material: Delrin®
Bushing Color: Black
Mounting Hardware Included: Yes
Quantity: Sold as a kit.
Notes: Rear sway bar is adjustable.

UMI Performance Stage 3.5 Handling Kits

UMI Performance Stage 3.5 handling kits feature new, ultra-premium 1 in. lowering springs that form the handling foundation and are controlled by RideTech’s HQ rebound adjustable shocks. They have carefully tuned rates and high-quality construction to eliminate that floating feeling, tying your A-body directly to the ground. Whether it’s backroad corner carving, an auto-x, or a pro-touring event you’re headed to, these UMI Performance Stage 3.5 handling kits have the performance that you desire.

Kits include:

* Tubular lower front A-arms with Delrin bushings
* Tubular upper front A-arms with Delrin bushings and 1/2 in. taller ball joints
* Heavy-duty 1 1/4 in. front sway bar with new bushings and end links
* Tubular and adjustable 1 in. pro-touring rear sway bar
* 1 in. lowering springs, linear spring rates
* Tubular rear lower control arms with roto-joint
* Adjustable rear upper control arms with roto-joints
* Tubular frame braces with hardware
* Replacement rear-end housing bushings
* Front upper and lower Grade 8 hardware kit
* Rear control arm Grade 8 hardware kit
* 4 RideTech HQ shocks, handling quality with rebound adjustment

Shipping & Delivery
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Effective Date: August 9, 2025

At X Factors Motorsports, we are committed to delivering your order quickly, securely, and affordably.


1. Processing Time

  • Orders are typically processed within 1–2 business days after payment is confirmed.

  • Orders placed on weekends or holidays will be processed on the next business day.


2. Delivery Times

  • Domestic Shipping (United States): Delivery takes 5–7 business days from the date of shipment.

  • International Shipping: Delivery times vary by destination and may take 7–21 business days depending on customs processing and local delivery services.


3. Shipping Rates

  • United States: Free standard shipping on all orders.

  • International: Shipping costs are calculated at checkout based on the delivery address, package weight, and destination country.


4. Carriers Used

We ship orders using trusted carriers such as UPS, FedEx, USPS, and DHL to ensure reliable delivery. Tracking numbers are provided for all shipments.

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    At X Factors Motorsports, we specialize in high-performance engines, outboards, and premium automotive equipment. With expert support, fast shipping, and trusted brands, we help builders, racers, and enthusiasts power their passion — one project at a time.

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