In Stock
Inspected & Documented
Condition notes recorded before palletizing.
30-Day Startup Warranty
Covers block, heads and internal moving components.
In Stock & Ready to Freight
Auto Parts & Accessories
Heidts Superide II Independent Front Suspension Kits BX-307-4
$2,542.38
+ $295.00 flat-rate insured LTL freight
(details)
$2,837.38 delivered to the continental US
- Palletized and heavy shrink-wrapped for freight
- LTL carrier delivery with optional liftgate service
- Ships in 1–2 business days from Los Angeles, CA
- Transit typically 3–7 business days, continental US
Secure checkout by Stripe
Need a matched transmission, controls or wiring package? Speak with a parts specialist.
Details & Inspection Notes
Heidts Superide II Independent Front Suspension Kit, Upgrade Your Classic Ride!
The Heidts Superide II Independent Front Suspension Kit is engineered to enhance the ride quality, stability, and performance of your classic car. Designed with a Mustang II spindle to accommodate front-mounted rack and pinion steering, this kit provides optimal engine clearance and smooth suspension travel.
Perfect for hot rods, street cruisers, and resto-mod projects!
What’s Included in the Kit?
Heidts 3-Piece CrossmemberProvides rigid support and easy bolt-in installation
Mustang II Stock SpindlesEnsures compatibility with front-mount rack and pinion steering
Tubular Upper & Lower Control ArmsDelivers improved cornering stability and alignment precision
Threaded Adjusters for AlignmentEliminates slipping compared to eccentric adjusters
Manual Rack & Pinion SteeringEnhances road feel and steering response
11 in. Front Disc Brake KitIncludes vented rotors and 4-piston aluminum calipers for optimal braking performance
Billet Single Adjustable Coilover Shocks with Silver Powdercoated SpringsProvides ride height and damping adjustability
A complete package for upgrading your classic car’s suspension!
Technical Specifications
| Feature | Details |
|---|---|
| MFG. Part # | BX-307-4 |
| Brand | Heidts |
| Vehicle Compatibility | Classic Cars (1935 & Up) |
| Independent Front Suspension (IFS) | Yes |
| Crossmember Included | Yes (Steel, Natural Finish) |
| Spindle Type | 2 in. Drop |
| Spindle Material | Steel |
| Upper & Lower Control Arms | Tubular Steel |
| Front Shock Type | Single Adjustable Coilover |
| Coilover Springs | Yes (500 lbs./in., Powdercoated Silver) |
| Steering Rack Type | Manual Rack & Pinion |
| Rack Material | Steel (Natural Finish) |
| Disc Brake Kit Included | Yes (Manual or Power Assist) |
| Front Rotor Style | Solid Surface, Vented |
| Front Rotor Diameter | 11.00 in./279.40 mm |
| Front Calipers | 4-Piston Aluminum (Black Finish) |
| Brake Pads Included | Yes |
| Sway Bar Included | No |
| Installation Type | Bolt-On (No Welding Required) |
Engineered for a modern driving experience in a classic chassis!
Fitment & Compatibility
Designed for Classic Cars from 1935 & Up
Direct Bolt-On with No Welding Required
Perfect for Street & Performance Applications
Works with Mustang II Steering Components
Upgrade your ride’s suspension without compromising its classic look!
Installation Notes & Tips
Professional Installation Recommended
- No major modifications requiredDirect bolt-on application
- Alignment required after installation for optimal performance
- Ensure compatibility with existing steering and braking components
Upgrade your suspension for precision handling & improved cornering stability!
Frequently Asked Questions (FAQ)
How does this suspension upgrade improve my vehicle’s performance?
- The independent front suspension provides better ride quality, improved steering response, and enhanced cornering stability, making it ideal for street and performance builds.
Can I install this kit on my classic hot rod?
- Yes! This bolt-on kit is compatible with a wide range of classic cars from 1935 and up.
Does this kit include power steering?
- No, this kit includes a manual rack and pinion system. However, power steering upgrades are available separately.
What brake components are included?
- The kit comes with a front disc brake kit, including 11 in. vented rotors and 4-piston aluminum calipers for excellent stopping power.
Will I need to make any chassis modifications?
- No, this kit is designed for a direct bolt-on installation, requiring no major modifications.
Call to Action, Upgrade Your Suspension Today!
Get the ultimate independent front suspension upgrade with Heidts Superide II!
Independent Front Suspension for Superior Handling
Billet Adjustable Coilovers for Custom Performance
Tubular Control Arms & Mustang II Spindles for Precision Steering
11 in. Front Disc Brakes for Maximum Stopping Power
Bolt-On Installation, No Welding Required
Order Now & Experience the Next Level of Suspension Performance!
OverviewBrand:
Heidts
Manufacturer’s Part Number:
BX-307-4
Part Type:
Front Suspension Packages
Product Line:
Heidts Superide II Independent Front Suspension Kits
Summit Racing Part Number:
HDT-BX-307-4
Wheel Bolt Pattern:
5 x 5 in.
Crossmember Included:
Yes
Crossmember Material:
Steel
Crossmember Color:
Natural
Welding Required:
No
Front Spindles Included:
Yes
Spindle Type:
2 in. drop
Spindle Material:
Steel
Spindle Finish:
Natural
Upper Control Arms Included:
Yes
Lower Control Arms Included:
Yes
Control Arm Style:
Tubular
Control Arm Material:
Steel
Control Arm Color:
Natural
Upper Ball Joints Included:
Yes
Lower Ball Joints Included:
Yes
Rack and Pinion Included:
Yes
Steering Rack Type:
Hydraulic power assist
Rack Material:
Steel
Rack Color:
Natural
Shocks Included:
Yes
Shock Type:
Single adjustable coilover
Coilover Springs Included:
Yes
Coilover Spring Rate (lbs/in):
500 lbs./in.
Spring Finish:
Gray/Silver
Disc Brake Kit Included:
Yes
Disc Brake Kit Type:
Manual or power assist
Front Rotor Included:
Yes
Front Rotor Style:
Solid surface
Front Rotor Construction:
Vented
Front Rotor Diameter:
11.00 in./279.40mm
Front Caliper Included:
Yes
Front Caliper Piston Quantity:
Four
Front Caliper Material:
Aluminum
Front Caliper Color:
Black
Brake Pads Included:
Yes
Sway Bar Included:
No
Center Link Included:
No
King Pins Included:
No
King Pin Bearings Included:
No
Pitman Arm Included:
No
Idler Arm Included:
No
Tie Rod Sleeves Included:
No
Inner Tie Rod Ends Included:
Yes
Outer Tie Rod Ends Included:
Yes
Quantity:
Sold as a kit.
Startup & Installation Checklist
- Replace timing components, water pump and plugs before initial startup where applicable.
- Refill all fluids with manufacturer-specified oil and coolant.
- Verify sensors, ECU pinouts and grounds against your chassis or hull wiring.
- Startup warranty covers heads, block and internal lubricated components for 30 days from delivery.
Full terms: 30-day startup warranty · returns
