Realspeed Automotive specializes in 1979 to 2020 Mustang performance. We stock race-proven Mustang parts, from billet accessories to shifters, superchargers, lowering springs, exhaust and more, including fox body mustang, SN-95 and New Edge Mustang parts. Call us if you don’t see what you are looking for online.

Professional installation is available for all parts. Call 631-563-REAL for more info. We ship nationwide. Order Online 24/7.


Steeda Sport Springs 79-04 (Except IRS)
Steeda Sport Springs 79-04 (Except IRS)

Lower your car for good looks and better handling.

sportsprings$246.70
Superlite Drag Springs
Superlite Drag Springs

Transfer more weight to the rear tires for increased traction, and weigh 6 pounds less than comparable springs

555-8230$269.95
Stifflers Chassis Stiffening Fit Systam 79-04
Stifflers Chassis Stiffening Fit Systam 79-04

FitSystem$425.00
Year: 
Stifflers Subframe Connetor (79-04 Mustang)
Stifflers Subframe Connetor (79-04 Mustang)

Engineered to be the stiffest, lightest full-length subframe connectors on the market today!

Stifflers Subframe Connetor (79-04 Mustang)
StiffCon$179.00
Lower Chassis Brace (96-04 Mustang)
Lower Chassis Brace (96-04 Mustang)

Stifflers' lower chassis brace dramatically increases the strength and stiffness of the front chassis area and factory K-member.

Lower Chassis Brace (96-04 Mustang)
lochbr9mu$99.00
Stifflers Spider Brace (99-04 Mustang)
Stifflers Spider Brace (99-04 Mustang)

Don't suffer any longer with limp front frame rails, put the Spider to work for you and GET STIFF!

Stifflers Spider Brace (99-04 Mustang)
spiderbrace$199.99
Stifflers Strut Tower Brace
Stifflers Strut Tower Brace

Not Getting Any Response, Make it Stiff!

Stifflers Strut Tower Brace
stiffstrutbrace$265.00
Package: 
Steeda Full Length Subframe Connectors 79-04
Steeda Full Length Subframe Connectors 79-04

Full-length subframe connectors run the entire length of the floor pan for increased chassis rigidity, which gives you better handling and improved ride.

fullsubs$209.95
Finish: 
Rear Axle Bushing Kit for '79-04 Mustang
Rear Axle Bushing Kit for '79-04 Mustang

Finish the Job Right!

RS0001Regular price: $74.95Sale price: $59.95
Tubular  Steel Upper Rear Control Arms w/bushings 79-04
Tubular Steel Upper Rear Control Arms w/bushings 79-04

More traction, better handling, more stable cornering, and less side-to-side "sloppiness" in the rear end.

555-4095$199.95
Aluminum Upper Rear Control Arms 79-04
Aluminum Upper Rear Control Arms 79-04

More traction, better handling, more stable cornering, and less side-to-side "sloppiness" in the rear end. Light Weight!

555-4802$299.95
Steeda Adjustable Upper Rear Control Arms 79-04
Steeda Adjustable Upper Rear Control Arms 79-04

Adjust differential & pinion angle for maximum traction and solid launches

555-4100$259.95
Choose: 
Steeda Steel Lower Control Arms 79-04
Steeda Steel Lower Control Arms 79-04

Improve traction and handling with Steeda's steel Lower Control Arms.

555-4420$239.95
Year: 
Maximum Motorsports Adjustable Rear Lower Control Arms 79-04
Maximum Motorsports Adjustable Rear Lower Control Arms 79-04

MM-RCLA-2$379.95
Year: 
Steeda Aluminum Lower Rear Control Arms 79-04
Steeda Aluminum Lower Rear Control Arms 79-04

More Traction. Less Weight.

555-4551$299.95
Year: 
Outer Bushing: 
Steeda Caster Camber Adjustment Plates 79-04
Steeda Caster Camber Adjustment Plates 79-04

Get the most cornering performance and eliminate tire wear problems.

555-8094$229.95
Year: 
Maximum Motorsports Caster Camber Plates 94-04
Maximum Motorsports Caster Camber Plates 94-04

MM-CC9994$219.97
Maximum Motorsports Caster Camber Plates 79-93
Maximum Motorsports Caster Camber Plates 79-93

MM-CC9093$219.97
Year: 
Camber Adjuster Bolts 79-10
Camber Adjuster Bolts 79-10

camberbolts$39.95
Year:: 
4 Bolt Caster Camber Plates 94-04
4 Bolt Caster Camber Plates 94-04

Steeda’s patented 4-bolt plates increase strength and offer easier adjustment than standard caster camber plates. Fits 94-04 only.

555-8095$299.95
X2 Balljoint Kit (Pair, with spacers)
X2 Balljoint Kit (Pair, with spacers)

The X2 Balljoint improves suspension geometry, resulting in reduced body roll, quicker steering response and improved overall front tire grip.

555-8101$159.95
Bumpsteer Kit with Heat Treated Tapered Stud 79-04
Bumpsteer Kit with Heat Treated Tapered Stud 79-04

Eliminate bumpsteer for more predictable handling

bumpsteer$189.95
Year: 
Steering Rack Bushings: Polyurethane
Steering Rack Bushings: Polyurethane

Reduce steering rack deflection and bumpsteer, for quicker response and more accurate control.

rackbush$24.96
Choose Standard or Offset Mount: 
Aluminum Steering Rack Bushings
Aluminum Steering Rack Bushings

Adjust Ackerman and Bumpsteer with Aluminum Rack Bushings

rackbushAlum$39.95
Offset Distance: 
Adjustable Rear Swaybar 79-04
Adjustable Rear Swaybar 79-04

Reduce body roll and understeer for faster cornering. Easy to adjust.

CURRENTLY UNAVAILABLE

006-470$189.95
Heavy Duty Replacement Rear Swaybar 79-04
Heavy Duty Replacement Rear Swaybar 79-04

566-19711$239.95
Tubular Front Swaybar
Tubular Front Swaybar

Big 1-3/8” diameter swaybar dramatically limits roll for superior handling, flatter cornering and better stability. Tubular design minimizes weight.

swaybar$199.95
Year: 
Steeda Anti-Roll Bar Kit - 79-04
Steeda Anti-Roll Bar Kit - 79-04

Keeps the car straighter during launch and transfers energy wasted on twisting to forward motion.

555-8102$335.95
Choose: 
Tokico Blue Shocks and Struts 79-04
Tokico Blue Shocks and Struts 79-04

578-HB-3026$528.84
Year: 
Polyurethane Swaybar Endlink Bushing (1)
Polyurethane Swaybar Endlink Bushing (1)

8 REQUIRED PER CAR

122-4806R$2.50
Polyurethane Upper Strut Mount Bushings
Polyurethane Upper Strut Mount Bushings

Reduce deflection, improve your alignment and make front strut damping more effective.

122-2214Rx2$29.96
Maximum Motorsport Panhard Bar 79-04
Maximum Motorsport Panhard Bar 79-04

MM-PBA$459.97
Year: 
G-Trac Suspension Kit - Stage 1 86-04
G-Trac Suspension Kit - Stage 1 86-04

G-Trac kits provides outstanding improvement and excellent handling performance in an affordable package

555-2134$599.95
Year: 
Steeda 5 Link 2 Suspension Kit
Steeda 5 Link 2 Suspension Kit

  • Dramatic increase in cornering grip due to reduced roll-center height
  • Increased traction and reduced brake-dive with adjustable anti-squat geometry
  • Panhard Bar positively locates rear axle and eliminates lateral movement
  • Adjustable roll-center height allows tuning of the roll-rate
  • 71% reduction in roll-bind compared to the factory suspension
  • 90% reduction in roll-steer compared to the factory suspension

    555-2521$1,299.95
  • High Rate Rear Spring (single)

    Racing suspensions such as the Steeda 5-Link and Torque-arm/panhard-bar setups require stiffer rear springs to take full advantage of the revised suspension’s rear grip.

    Rearsprings$104.95
    Spring Rate: 
    Maximum Motorsports Power Steering Shaft 79-93
    Maximum Motorsports Power Steering Shaft 79-93

    MM-ST11$329.97
    Maximum Motorsports Power Steering Shaft 94-04
    Maximum Motorsports Power Steering Shaft 94-04

    MM-ST14$279.97
    Steeda Caster Camber Plates  for 1979-1989 Mustang   #555-8079-2
    Steeda Caster Camber Plates for 1979-1989 Mustang #555-8079-2

    555-8079Regular price: $199.95Sale price: $179.95
    Stifflers Transmission Crossmember (94-98 Mustang)
    Stifflers Transmission Crossmember (94-98 Mustang)

    Works with AOD, AODE, 4R70W, C6, T-5, TKO'S*, TR-3550 & 1996-1998 Cobra w/T-45**

    Stifflers Transmission Crossmember (94-98 Mustang)
    transcrossmember$145.00
    Stainless Steel Brake Lines
    Stainless Steel Brake Lines

    Firmer, more responsive braking by eliminating the expansion of the rubber brake hoses

    SSBrakeLines
    Stainless Steel Caliper-Pin Guide-Sleeves 87-93
    Stainless Steel Caliper-Pin Guide-Sleeves 87-93

    More stopping power and fewer warped rotors.

    555-6100$46.95
    Steeda Powerslot Rotors
    Steeda Powerslot Rotors

    Greatly reduced brake fade and elimination of pad glazing!

    powerslot1
    Stainless Steel Brake Lines 99-04 Cobra
    Stainless Steel Brake Lines 99-04 Cobra

    BHK-MUST-9904C$155.00
    Color: 
    Steeda Three Point Strut Tower Brace 96-00 GT
    Steeda Three Point Strut Tower Brace 96-00 GT

    SOLD OUT

    555-5702Regular price: $144.95Sale price: $72.47

    www.realspeedauto.com Ph.631-563-7325

    All parts listed are for the Ford Mustang unless otherwise noted.

    Copyright 2018 Realspeed Automotive Inc. All rights reserved.