Long Island's Mustang Performance Shop
2015 NASA N.E. American Iron Champions
Call 631-563-REAL

At Realspeed Automotive we sell, install and race dyno-tested and track-proven Mustang parts, and offer in-depth product knowledge and support. We dyno tune with the MD-1100SE Mustang Dyno, which simulates real-world weight and drag conditions for accurate tuning that other dynos simply can't match.
When you want REAL performance from your Mustang, the choice is Realspeed.

REALSPEED WINS NASA NE AMERICAN IRON CHAMPIONSHIP!

Realspeed finished the season with a string of five straight wins to take first place in the NASA Northeast American Iron road racing championship. Dan Carlson drove the Realspeed Mustang to seven victories and was the #1 qualifier seven times over the course of the 14 race season. Realspeed used a combination of off-the shelf performance parts along with in-house custom fabricated components to build the championship winning car. The Realspeed Mustang completed every lap of every race of the entire season, without a single mechanical failure during a race, thanks to the outstanding parts selection and track preparation by the Realspeed crew.


Click over to our Video Gallery to see more of the action on the track.

Our installation and tuning center is open Tuesday through Friday 9:00 AM to 6:00 PM, Saturday 9:00 AM to 5:00 PM.
We are CLOSED Sunday & Monday.
Dyno tuning and installations are by appointment only.

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Click to read about Dan's 10-second 240,000 mile daily-driven 1990 GT.
It doesn't get more REAL than that!



Realspeed holds SCT's official "Calibrator" status in recognition of our tuning ability.


Realspeed stocks parts from many of the industry's biggest names! Order online 24/7 or call us at 631-563-REAL. If you don't see what you are looking for, just ask!

Installations
Installations

Employment Opportunities
Employment Opportunities

Featured Tunes
Featured Tunes

Click Here for a Pre- Dyno Checklist
Click Here for a Pre- Dyno Checklist

Realspeed Video Gallery
Realspeed Video Gallery

Gift Certificates
Gift Certificates

$25.00
SCT X4 Flash Tuner
SCT X4 Flash Tuner

Retune your mustang for more power.

$399.99
JLT Cold Air Intake - '11-'14 Mustang GT w/optional Boss Manifold Coupler
JLT Cold Air Intake - '11-'14 Mustang GT w/optional Boss Manifold Coupler

Gains up to 30+ RWHP has been seen when with a custom tune!

$299.95
Firewall Clutch Adjuster 82-04
Firewall Clutch Adjuster 82-04

Adjust clutch engagement from under the hood. Bigger adjustment range than others.

$39.95
Spark Plugs TR6 NGK-4177
Spark Plugs TR6 NGK-4177

$2.98
Sieman Deka 60 Lb High Impedance Injectors (Set of 8)
Sieman Deka 60 Lb High Impedance Injectors (Set of 8)

$399.00
Steeda Billet Rear Trailing Arms 05-14
Steeda Billet Rear Trailing Arms 05-14

Regular price: $299.95
Sale price: $274.95
Maximum Motorsports Caster Camber Plates 94-04
Maximum Motorsports Caster Camber Plates 94-04

$209.97
Bumpsteer Kit with Heat Treated Tapered Stud 79-04
Bumpsteer Kit with Heat Treated Tapered Stud 79-04

Eliminate bumpsteer for more predictable handling

$167.95
Barton Short Throw Shifter 2011 GT/V6
Barton Short Throw Shifter 2011 GT/V6

$299.00
Tri-Ax Shift Shifter 2011 GT/V6
Tri-Ax Shift Shifter 2011 GT/V6

This shifter will provide a 20% shorter throw and retains full reverse lockout functionality of the factory shifter.

Regular price: $224.96
Sale price: $199.95
Steeda X11 Balljoint - 2011-2014 GT Boss  & V6
Steeda X11 Balljoint - 2011-2014 GT Boss & V6

Regular price: $169.95
Sale price: $157.95
Rear Axle Bushing Kit for '79-04 Mustang
Rear Axle Bushing Kit for '79-04 Mustang

Finish the Job Right!

$39.95

We stock, install and dyno tune a wide variety of Mustang parts, from shifters to superchargers, fuel injectors, E85, fuel pumps, lowering springs, control arms, exhaust, gears, cams, billet accessories and more, from fox Mustang parts to SN95, New Edge, S197 to 2015-2017 Mustang, GT500 and GT350 parts. If you don't see what you are looking for, call us.

Phone 631-563-REAL (7325)

50 Feldland St, Units 4 & 5
Bohemia, NY 11716


In Memory of Henry T. Carlson. 8/12/67 - 3/8/07
Brother. Friend. Inspiration.
He showed me how to go fast.
"We miss you."


www.realspeedautomotive.com
All parts listed are for the Ford Mustang unless otherwise noted.
Copyright 2017 Realspeed Automotive Inc. All rights reserved.