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Home Chassis & Suspension G-Comp Unser Edition 1962-67 Chevy II Nova Rear Suspension Kit
G-Comp Universal Front Suspension Kit
G-Comp Universal Front Suspension Kit $2,400.00
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G-Comp Unser Edition 1967-69 Camaro Front Suspension Kit
G-Comp Unser Edition 1967-69 Camaro Front Suspension Kit $4,000.00

G-Comp Unser Edition 1962-67 Chevy II Nova Rear Suspension Kit

$3,025.00

Solid Axle Rear Suspension Type, Axle Housing Included
  • Designed to complement the Unser Edition G-Comp front end kit
  • Engineered then track tested and proven to handle the highest level of autocross competition
  • Coil-over shock provisions are designed for a ride height of 2″ lower than stock and is easily adjustable to suit your specific needs
  • Watts link virtually eliminates left to right movement of the rear end during travel which allows for increased tire size
  • Trailing arm suspension provides superior forward bite and articulation
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Description

Product Summary

Solid Axle Rear Suspension Type, Axle Housing Included
  • Designed to complement the Unser Edition G-Comp front end kit
  • Engineered then track tested and proven to handle the highest level of autocross competition
  • Coil-over shock provisions are designed for a ride height of 2″ lower than stock and is easily adjustable to suit your specific needs
  • Watts link virtually eliminates left to right movement of the rear end during travel which allows for increased tire size
  • Trailing arm suspension provides superior forward bite and articulation

Details

This product contributed to making the Team Speedway ’65 Nova the

The Unser Edition rear suspension incorporates performance enhancements developed by Team Speedway over the last year of competition. Speedway Motors’ G-Comp line of Chevy II Nova suspension parts is engineered for performance, strength and value. This G-Comp rear suspension kit is a complete assembly for the 1962-67 Chevy II Nova. This Pro Touring rear kit is an all-new performance system engineered for optimum handling and vastly improved control. The Unser Edition is designed and built to handle the rigors of autocross competition. G-Comp rear kits feature a user-friendly installation and will turn your Chevy II Nova into a real G-machine, ready to take on the autocross, road course, or the street.

The Unser Edition is designed with additional stiffness and race car like adjustability to make the most out of a caged car in autocross competition and high-performance driving. The Unser Edition rear kit features 9” Ford Floater Rear End housing for durability, pre-welded and ready to bolt in, with an adjustable Watts Link and anti-Sway Bar.

Note: For a successful installation, the trunk floor must be altered to allow room for the Watts link top cradle crossmember to be properly welded in to place.

Features

  • Designed to complement the Unser Edition G-Comp front end kit
  • Designed to handle the highest level of autocross competition
  • Replaces leaf springs with coilover shocks
  • Designed ride height is 2″ lower than stock and is easily adjustable with coilovers
  • Trailing arm articulation – provides superior forward bite
  • Trailing arms have adjustable shock mount positions
  • Eccentric Cam trailing arm mounts accurately position and align rear wheels
  • Watts link is used to control lateral movement of rear end – precise with no roll bias
  • Watts link virtually eliminates sideways movement of the rear end during travel
  • Watts link provides equal load distribution for consistent reaction to turning right or left
  • Four positions of Watts link mounts allow quick roll center adjustments, links and hardware included
  • Chassis brace made from .120″ wall steel tube and is easily located off leaf spring mount
  • Pass through tubes are welded into the chassis brace for routing brake lines and wiring
  • Chassis brace contains a dropped saddle for drive shaft clearance
  • Front support tubes tie the chassis brace to the front of the car
  • Chassis brace reduces chassis flex and provides a rigid mount for the trailing arms
  • Upper crossmember includes shock mount holes and weld directly to the chassis
  • Kit works with both stock wheel wells and mini-tubs
  • Kit allows room for both OEM fuel tanks or custom fuel cells
  • 7 gauge steel shock mount crossmember bolts to OEM shock mount holes
  • Kit includes a 9″ Ford Grand National (floater style) rear end housing
  • Rear end housing has sway bar, trailing arm, and Watts link mounts installed
  • Links and all hardware is included to install the Watts link
  • Winters Performance 5069 double splined axles are included (31 spline)
  • Speedway Grand National 5 x 4-3/4 rear hubs with all bearings, seals and hardware included
  • Kit includes a 7/8″ solid torsion bar style sway bar
  • Sway bar connects to the rear end housing with 7-1/2″ long aluminum arms
  • All sway bar links and hardware is included
  • Allows for 8″ wide wheels if using stock wheelwells
  • Allows for a large range of rear ride height adjustment, working with a wider range of shock lengths and mounts

Charts

  • GoodGuys Autocross Champion in 2016! (PDF)

Guides & Documents

  • Rear Suspension Kits Instruction Sheet (350400)(PDF)

  • Rear Suspension Kits Guide/Document (350400)(PDF)

KEY SPECS

MFG. Part # 350400
Brand G-Comp By Speedway
Rear Suspension Type Solid Axle
Trailing Arm Style Truck Arm
Suspension Kit Type Conversion
Suspension Height Adjustment 2 Inch Lowered
Spring Type Not Included
Shocks Included No
Bolt-On No
Axle Housing Included Yes
Material Type Steel

GENERAL

Adjustability 4-position
Sold in Quantity Kit
Notes This item is made to order with a production-to-ship estimated average time frame of 20 business days.
Shipping & Delivery
wd-ship-1
wd-ship-2

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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