NEW! Technical Trax LSD for Ford Mustang S550 / S650

Precision Traction. Ultimate Stability. Pure Mustang.

Scrollable
PART No.PRODUCT NAME
TC101A-FRFA2LSD TECHNICAL TRAX ADVANCE 2WAY
FORD MUSTANG S550/S650 Super 8.8″ FA2

INVENTORY→
TC101B-FRFA1LSD TECHNICAL TRAX ADVANCE 1.5WAY
FORD MUSTANG S550/S650 Super 8.8″ FA1
INVENTORY→

APPLICATION

Scrollable
MAKERMODEL YEARMODELENGINEOEM DIFFTRANSMISSION
FORD2015-2023MUSTANG S5502.3L ECO BOOST I43.31 Traction-Lok LSD
3.55 Traction-Lok LSD
3.73 Torsen LSD
(3.15 Traction-Lok LSD is not Compatible)
MT/AT
3.7L Ti-VCT V6
5.0L Ti-VCT V8
5.2L Ti-VCT V8
2024+MUSTANG S6502.3L ECO BOOST I43.55 Traction-Lok LSD
3.73 Torsen LSD
(3.15 Traction-Lok LSD is not Compatible)
5.0L Ti-VCT V8
5.0L COYOTE V8

We are proud to announce the release of the TOMEI TECHNICAL TRAX L.S.D., developed specifically for the S550 Mustang (2015–2023) and S650 Mustang (2024+).
Whether you’re driving the EcoBoost 2.3L Turbo, the mighty 5.0L V8 GT, Mach 1, or the naturally aspirated 5.2L V8 GT350—this L.S.D. is built to deliver authentic performance for every S550/S650 owner seeking true rear-wheel-drive control.

Why L.S.D. for the S550/S650 Mustang?

The biggest leap forward in the 6th generation Mustang lies in its Independent Rear Suspension (IRS). To fully unlock the benefits of this configuration, precise rear wheels control is essential. Installing the Technical Trax L.S.D. transforms your Mustang with:

  • Dramatically improved traction
  • Sharper cornering performance
  • Shorter lap times on track
  • Enhanced straight-line stability for street use
  • Greater control in drifting scenarios

Features of the TOMEI TECHNICAL TRAX L.S.D.

  • Available in 1.5-WAY and 2-WAY configurations
  • High initial torque design—ideal for high-powered Mustangs
  • Compatible with OEM Torsen L.S.D., and clutch-type L.S.D. setups
  • Designed to fit S550 and S650 grades—from EcoBoost to GT350

This is not just an upgraded L.S.D.

It’s a breakthrough in driving dynamics that turns your Mustang into a true rear-wheel-drive sports machine.
Experience the transformation. Feel the difference.

“For the True Driving Enthusiasts.”
Now available. No more compromises in your Mustang’s performance.

HIGH DURABILITY

Black Colored Forged L.S.D. Case

HIGHEST INITIAL TORQUE SPRING DISCS IN THE INDUSTRY

The ultra-compact spring discs were designed to increase clutch capacity in order to maintain high initial torque. The spring discs also have a variable spring rate construction in order to minimize warping and maximize longevity even after hard driving or extended use.

SPRING DISC

The ultra-compact spring discs were designed to increase clutch capacity while maintaining high initial torque.

VARIABLE RATE SPRING DISC

By utilizing a variable spring rate construction, the spring disc can withstand hard driving and extended use without warping.

HIGH PERFORMANCE FRICTION DISCS FOR CONSISTENT POWER/TORQUE TRANSFER

The TOMEI L.S.D. utilizes 16 high quality friction disks to ensure that power and torque is transmitted to rear wheels in a smooth manner to allow for precise vehicle control and the
ultimate driving experience.

ADVANCE DISC
The new and improved Tomei ADVANCE DISC allows for a quieter and more refined driving experience. Unlike other L.S.D.s, the Tomei L.S.D. offers greater stability during throttle transitions. It eliminates loud clunking noises, making it a highly streetable yet aggressively tuned L.S.D.

1.5WAY / 2WAY

1.5 WAY

The 1.5 way L.S.D. locks up during during acceleration and unlocks during deacceleration. This allows for a more natural feeling under hard braking.

2 WAY

The 2 way L.S.D. locks up on both acceleration and deacceleration. This allows for more precise control of the car using the throttle, which is very beneficial for drifiting.

SPECIFICATION

TYPEFA1/FA2
PCD160mm
Disc DiameterΦ106
Disc (IN Teeth)8
Disc (EX Teeth)8
Disc Thickness1.7mm
Spring2
No. & Size of Ring Gear BoltsΦ12.7 (10)
No. of Teeth34T
Inner Flange DiameterΦ37
Initial Torque9.0 – 11.0 kgf・m
Pressure Ring cam AngleFA1 : 40°x 30°
FA2 : 60°x 60°

GEAR OIL INCLUDED

The L.S.D. kit will come with 2 liters of GL-5 80w-90 TOMEI hypoid L.S.D. gear oil. This oil must be used in conjunction with the TOMEI Technical Trax L.S.D. unit. When using the TOMEI Technical Trax L.S.D. with another brand or grade gear oil, the L.S.D. may make a louder chattering sound and increase the wear of the L.S.D. which may result in a decreased life span of the L.S.D. Gear oil with higher viscosity and higher pressure type lubricants may also increase the chattering noise of the L.S.D.

MODEL/OEM DIFF TYPETRANSMISSIONENGINESPEC.TYPEPARTS NO.
NISSAN
SILVIA/180SX (R)(P)S13
OPEN (R200)
MT/ATCA18DE
SR20DE
2WAYIA2TC101A-NSIA2
1.5WAYIA1TC101B-NSIA1
SILVIA/180SX (R)(P)S13
VISCOUS up to Dec.1996
MT/ATCA18DET
SR20DET
2WAYAX2TC101A-NSAX2
1.5WAYAX1TC101B-NSAX1
180SX RPS13
VISCOUS Dec.1996+
MT/ATSR20DE
SR20DET
2WAYEX2TC101A-NSEX2
1.5WAYEX1TC101B-NSEX1
SILVIA S14
OPEN (R200)
MT/ATSR20DE2WAYIA2TC101A-NSIA2
1.5WAYIA1TC101B-NSIA1
SILVIA S14
VISCOUS up to Dec.1996
MT/ATSR20DE2WAYAX2TC101A-NSAX2
1.5WAYAX1TC101B-NSAX1
SILVIA S14
VISCOUS Dec.1996+
MT/ATSR20DE2WAYEX2TC101A-NSEX2
1.5WAYEX1TC101B-NSEX1
SILVIA S14
VISCOUS up to Dec.1996
MTSR20DET2WAYCX2TC101A-NSCX2
1.5WAYCX1TC101B-NSCX1
SILVIA S14
VISCOUS up to Dec.1996
ATSR20DET2WAYAX2TC101A-NSAX2
1.5WAYAX1TC101B-NSAX1
SILVIA S14
VISCOUS Dec.1996+
MTSR20DET2WAYEX2TC101A-NSEX2
1.5WAYEX1TC101B-NSEX1
SILVIA S14
VISCOUS Dec.1996+
ATSR20DET2WAYCX2TC101A-NSCX2
1.5WAYCX1TC101B-NSCX1
SILVIA S15
OPEN/HELICAL
MT/ATSR20DE2WAYEA2TC101A-NSEA2
1.5WAYEA1TC101B-NSEA1
SILVIA S15
VISCOUS
MT/ATSR20DE2WAYEX2TC101A-NSEX2
1.5WAYEX1TC101B-NSEX1
SILVIA S15
HELICAL
MTSR20DET2WAYEA2TC101A-NSEA2
1.5WAYEA1TC101B-NSEA1
SILVIA S15
VISCOUS
ATSR20DET2WAYEX2TC101A-NSEX2
1.5WAYEX1TC101B-NSEX1
240SX
OPEN
MT/ATKA24DE2WAYIA2TC101A-NSIA2
1.5WAYIA1TC101B-NSIA1
300ZX Z31
OPEN
MTVG30ET
RB20DET
2WAYIA2TC101A-NSIA2
1.5WAYIA1TC101B-NSIA1
300ZX Z32
VISCOUS
MT/ATVG30DE2WAYCX2TC101A-NSCX2
1.5WAYCX1TC101B-NSCX1
VG30DETT2WAYGDISCONTINUED
350Z/370Z
VISCOUS
MTVQ35DE
VQ35HR
VQ37VHR
2WAYHA2TC101A-NSHA2
PRO KIT 2WAYHA2
w/FINAL GEAR KIT
TC102A-NSHA2
1.5WAYHA1TC101B-NSHA1
PROKIT 1.5WAYHA1
w/FINAL GEAR KIT
TC102B-NSHA1
350Z/370Z
OPEN
MTVQ35DE
VQ35HR
VQ37VHR
2WAYHX2TC101A-NSHX2
PRO KIT 2WAYHX2
w/FINAL GEAR KIT
TC102A-NSHX2
1.5WAYHX1TC101B-NSHX1
PROKIT 1.5WAYHX1
w/FINAL GEAR KIT
TC102B-NSHX1
SKYLINE DR30
OPEN
MTFJ20ET2WAYIA2TC101A-NSIA2
1.5WAYIA1TC101B-NSIA1
SKYLINE HR31
OPEN
MTRB20DET2WAYIA2TC101A-NSIA2
1.5WAYIA1TC101B-NSIA1
SKYLINE HR32
OPEN
MT/ATRB20DE2WAYIA2TC101A-NSIA2
1.5WAYIA1TC101B-NSIA1
SKYLINE HR32
VISCOUS
MT/ATRB20DE2WAYAX2TC101A-NSAX2
1.5WAYAX1TC101B-NSAX1
SKYLINE HCR32MT/ATRB20DET2WAYCX2TC101A-NSCX2
1.5WAYCX1TC101B-NSCX1
SKYLINE HNR32MT/ATRB20DET2WAYEX2TC101A-NSEX2
1.5WAYEX1TC101B-NSEX1
SKYLINE ER32/ECR32
VISCOUS
MT/ATRB25DE2WAYAX2TC101A-NSAX2
1.5WAYAX1TC101B-NSAX1
SKYLINE ER32/ECR32
OPEN
MT/ATRB25DE2WAYIA2TC101A-NSIA2
1.5WAYIA1TC101B-NSIA1
SKYLINE BNR32
up to Jan.1993
MTRB26DETT2WAYEA2TC101A-NSEA2
1.5WAYEA1TC101B-NSEA1
SKYLINE HR33/ER33
VISCOUS up to Dec.1996
MT/ATRB20E
RB25DE
2WAYAX2TC101A-NSAX2
1.5WAYAX1TC101B-NSAX1
SKYLINE HR33/ER33
VISCOUS Dec.1996+
MT/ATRB20E
RB25DE
2WAYEX2TC101A-NSEX2
1.5WAYEX1TC101B-NSEX1
SKYLINE HR33/ER33
OPEN
MT/ATRB20E
RB25DE
2WAYIA2TC101A-NSIA2
1.5WAYIA1TC101B-NSIA1
SKYLINE ENR33
VISCOUS up to Dec.1996
MT/ATRB25DE2WAYCX2TC101A-NSCX2
1.5WAYCX1TC101B-NSCX1
SKYLINE ENR33
VISCOUS Dec.1996+
MT/ATRB25DE2WAYEX2TC101A-NSEX2
1.5WAYEX1TC101B-NSEX1
SKYLINE ECR33MT/ATRB25DET2WAYCX2TC101A-NSCX2
1.5WAYCX1TC101B-NSCX1
SKYLINE HR34/ER34
OPEN/HELICAL
MT/AT
RB25DET: MT Only
RB20DE
RB25DE
RB25DET
2WAYEA2TC101A-NSEA2
1.5WAYEA1TC101B-NSEA1
SKYLINE HR34/ER34/ENR34
VISCOUS
MT/AT
RB25DET: AT Only
RB20DE
RB25DE
RB25DET
2WAYEX2TC101A-NSEX2
1.5WAYEX1TC101B-NSEX1
CEFIRO A31
VISCOUS
MT/ATRB20E
RB20DE
RB20DET
RB25DE
2WAYAX2TC101A-NSAX2
1.5WAYAX1TC101B-NSAX1
CEFIRO A31
OPEN
MT/ATRB20E
RB20DE
RB25DE
2WAYIA2TC101A-NSIA2
1.5WAYIA1TC101B-NSIA1
CEFIRO NA31
VISCOUS
MT/ATRB20DET2WAYCX2TC101A-NSCX2
1.5WAYCX1TC101B-NSCX1
LAUREL HC33/HCC33
VISCOUS
MT/ATRB20E
RB20DE
RB20DET
2WAYAX2TC101A-NSAX2
1.5WAYAX1TC101B-NSAX1
LAUREL HC33/HCC33
OPEN
MT/ATRB20E
RB20DE
2WAYIA2TC101A-NSIA2
1.5WAYIA1TC101B-NSIA1
LAUREL HC34/GC34
VISCOUS up to Dec.1996
ATRB20E
RB20DE
RB25DE
2WAYAX2TC101A-NSAX2
1.5WAYAX1TC101B-NSAX1
LAUREL HC34/GC34
VISCOUS Dec.1996+
ATRB20E
RB20DE
RB25DE
2WAYEX2TC101A-NSEX2
1.5WAYEX1TC101B-NSEX1
LAUREL HC34/GC34
OPEN
ATRB20E
RB20DE
RB25DE
2WAYIA2TC101A-NSIA2
1.5WAYIA1TC101B-NSIA1
LAUREL GC34
VISCOUS up to Dec.1996
ATRB25DET2WAYCX2TC101A-NSCX2
1.5WAYCX1TC101B-NSCX1
LAUREL GC34
VISCOUS Dec.1996+
ATRB25DET2WAYEX2TC101A-NSEX2
1.5WAYEX1TC101B-NSEX1
LAUREL GNC34
VISCOUS up to Dec.1996
ATRB25DE2WAYCX2TC101A-NSCX2
1.5WAYCX1TC101B-NSCX1
LAUREL GNC34
VISCOUS Dec.1996+
ATRB25DE2WAYEX2TC101A-NSEX2
1.5WAYEX1TC101B-NSEX1
LAUREL GC35/GNC35
VISCOUS
ATRB25DE
RB25DET
2WAYEX2TC101A-NSEX2
1.5WAYEX1TC101B-NSEX1
LAUREL HC35/GC35/GNC35
OPEN
ATRB0DE
RB25DE
RB25DET
2WAYEA2TC101A-NSEA2
1.5WAYEA1TC101B-NSEA1
STAGEA WC34
VISCOUS
ATRB0DE
RB25DE
RB25DET
2WAYEX2TC101A-NSEX2
1.5WAYEX1TC101B-NSEX1
STAGEA WC34
OPEN
ATRB25DET2WAYEA2TC101A-NSEA2
1.5WAYEA1TC101B-NSEA1
STAGEA M35
VISCOUS
ATVQ35DE
VQ25DD
2WAYHA2TC101A-NSHA2
1.5WAYHA1TC101B-NSHA1
FINAL GEAR KIT
350Z/370Z
MTVQ35DE
VQ35HR
VQ37VHR
GEAR RATIO: 3.9TC201A-NS04A
INFINITI
G35 SEDAN 6MT
VISCOUS
MTVQ35DE2WAYHA2TC101A-NSHA2
1.5WAYHA1TC101B-NSHA1
G35 COUPE 6MT
VISCOUS
MTVQ35DE2WAYHA2TC101A-NSHA2
1.5WAYHA1TC101B-NSHA1
G35/G37 SEDAN 6MT
VISCOUS
MTVQ35HR
VQ37VHR
2WAYHA2TC101A-NSHA2
1.5WAYHA1TC101B-NSHA1
G35/G37 SEDAN 6MT
OPEN
MTVQ35HR
VQ37VHR
2WAYHX2TC101A-NSHX2
1.5WAYHX1TC101B-NSHX1
G37 COUPE 6MT
VISCOUS
MTVQ35HR
VQ37VHR
2WAYHA2TC101A-NSHA2
1.5WAYHA1TC101B-NSHA1
FINAL GEAR KIT
G35/G37
Q40/Q60
MTVQ35DE
VQ35HR
VQ37VHR
GEAR RATIO: 3.9TC201A-NS04A
SUBARU/TOYOTA
86/FR-S/GR86/BRZ
ZN6/ZC6/ZN8/ZD8
MT/ATFA20
FA24
2WAYTG2TC101A-TYTG2
1.5WAYTG1TC101B-TYTG1
TOYOTA
CHASER/CRESTA/MARK2 JZX90
OPEN
MT/AT1JZ-GTE2WAYTA2TC101A-TYTA2
1.5WAYTA1TC101B-TYTA1
CHASER/CRESTA/MARK2 JZX90
TORSEN
MT/AT1JZ-GTE2WAYTX2TC101A-TYTX2
1.5WAYTX1TC101B-TYTX1
CHASER/CRESTA/MARK2 JZX91
OPEN
AT2JZ-GE2WAYTX2TC101A-TYTX2
1.5WAYTX1TC101B-TYTX1
CHASER/CRESTA/MARK2 JZX100
OPEN up to Aug.1997
AT1JZ-GE2WAYTX2TC101A-TYTX2
1.5WAYTX1TC101B-TYTX1
CHASER/CRESTA/MARK2 JZX100
OPEN Aug.1997 +
AT1JZ-GE2WAYTA2TC101A-TYTA2
1.5WAYTA1TC101B-TYTA1
CHASER/CRESTA/MARK2 JZX100
OPEN
MT1JZ-GTE2WAYTA2TC101A-TYTA2
1.5WAYTA1TC101B-TYTA1
CHASER/CRESTA/MARK2 JZX100
TORSEN
MT1JZ-GTE2WAYTX2TC101A-TYTX2
1.5WAYTX1TC101B-TYTX1
CHASER/CRESTA/MARK2 JZX100
OPEN up to Jul.1999
AT1JZ-GTE2WAYTA2TC101A-TYTA2
1.5WAYTA1TC101B-TYTA1
CHASER/CRESTA/MARK2 JZX100
TORSEN up to Jul.1999
AT1JZ-GTE2WAYTX2TC101A-TYTX2
1.5WAYTX1TC101B-TYTX1
CHASER/CRESTA/MARK2 JZX100
OPEN/TORSEN Jul.1999 +
AT1JZ-GTE2WAYTX2TC101A-TYTX2
1.5WAYTX1TC101B-TYTX1
CHASER/CRESTA/MARK2 JZX101
OPEN up to Aug.1997
AT2JZ-GE2WAYTX2TC101A-TYTX2
1.5WAYTX1TC101B-TYTX1
CHASER/CRESTA/MARK2 JZX101
OPEN Aug.1997 +
AT2JZ-GE2WAYTA2TC101A-TYTA2
1.5WAYTA1TC101B-TYTA1
MARK2 JZX110
OPEN
MT/AT1JZ-GTE2WAYTA2TC101A-TYTA2
1.5WAYTA1TC101B-TYTA1
MARK2 JZX110
TORSEN
MT/AT1JZ-GTE2WAYTX2TC101A-TYTX2
1.5WAYTX1TC101B-TYTX1
MARK X GRX120/GRX121
OPEN
AT4GR-FSE
3GR-FSE
2WAYTA2TC101A-TYTA2
1.5WAYTA1TC101B-TYTA1
SUPRA GA70
OPEN up to Aug.1990
MT/AT1G-GE
1G-GTE
2WAYTX2TC101A-TYTX2
1.5WAYTX1TC101B-TYTX1
SUPRA GA70
OPEN Aug.1990 +
MT/AT1G-GE
1G-GTE
2WAYTA2TC101A-TYTA2
1.5WAYTA1TC101B-TYTA1
SUPRA GA70
TORSEN Aug.1990 +
MT/AT1G-GE
1G-GTE
2WAYTX2TC101A-TYTX2
1.5WAYTX1TC101B-TYTX1
SUPRA MA70
OPEN
MT/AT7M-GTE2WAYTA2TC101A-TYTA2
1.5WAYTA1TC101B-TYTA1
SUPRA JZA70
OPEN
MT/AT1JZ-GTE2WAYTA2TC101A-TYTA2
1.5WAYTA1TC101B-TYTA1
SUPRA JZA70
TORSEN
MT/AT1JZ-GTE2WAYTX2TC101A-TYTX2
1.5WAYTX1TC101B-TYTX1
SUPRA JZA80MT/AT2JZ-GE
2JZ-GTE
2WAYTB2TC101A-TYTB2
SUPRA JZA80
GETRAG 6MT
MT2JZ-GTE2WAYTC2TC101A-TYTC2
1.5WAYTC1TC101B-TYTC1
SOARER GZ20
OPEN up to Jul.1988
MT/AT1G-GTE2WAYTA2TC101A-TYTA2
1.5WAYTA1TC101B-TYTA1
SOARER GZ20
OPEN Jul.1988 +
MT1G-GTE2WAYTX2TC101A-TYTX2
1.5WAYTX1TC101B-TYTX1
SOARER GZ20
LSD Jul.1988 +
MT1G-GTE2WAYTA2TC101A-TYTA2
1.5WAYTA1TC101B-TYTA1
SOARER GZ20
OPEN Jul.1988 +
AT1G-GTE2WAYTA2TC101A-TYTA2
1.5WAYTA1TC101B-TYTA1
SOARER MZ20/MZ21
OPEN
MT/AT7M-GTE2WAYTA2TC101A-TYTA2
1.5WAYTA1TC101B-TYTA1
SOARER JZZ30/JZZ31/UZZ31
OPEN/TORSEN
Exchange side flange for
TORSEN LSD models
Jun.1991-Aug.1996
MT/AT1G-GTE
2JZ-GE
1UZ-FE
2WAYTB2TC101A-TYTB2
ARISTO JZS147/JZS160/JZS161
OPEN/TORSEN
Exchange side flange for
TORSEN LSD models
AT2JZ-GE
2JZ-GTE
2WAYTB2TC101A-TYTB2
LEVIN/TRUENO AE86
EARLY MODEL up to Oct.1985
MT/AT4A-GE2WAYTE2TC101A-TYTE2
1.5WAYTE1TC101B-TYTE1
LEVIN/TRUENO AE86
LATE MODEL Oct.1985 +
MT/AT4A-GE2WAYTD2TC101A-TYTD2
1.5WAYTD1TC101B-TYTD1
MAZDA
MX-5 NA6
MT:VISCOUS/AT:OPEN
MT/ATB6-ZE2WAYZA2TC101A-MZZA2
1.5WAYZA1TC101B-MZZA1
MX-5 NA8C/NBMT/ATB6-ZE
BP-ZE
2WAYZB2TC101A-MZZB2
1.5WAYZB1TC101B-MZZB1
MX-5 NCMT/ATLF-VE2WAYZE2TC101A-MZZE2
1.5WAYZE1TC101B-MZZE1
MX-5 NDMTPE-VPR1.5WAYZF1TC101B-MZZF1
RX-7 FC3S
OPEN
MT/AT13B2WAYZC2TC101A-MZZC2
1.5WAYZC1TC101B-MZZC1
RX-7 FC3S
VISCOUS
MT/AT13B2WAYZD2DISCONTINUED
1.5WAYZD1
RX-7 FD3SMT/AT13B-REW2WAYZC2TC101A-MZZC2
1.5WAYZC1TC101B-MZZC1
HONDA
S2000MTF20C
F22C
2WAYBA2TC101A-HNBA2
1.5WAYBA1TC101B-HNBA1
HYUNDAI
GENESIS COUPEMTG4KF2WAYKA2TC101A-HYKA2
1.5WAYKA1TC101B-HYKA1
FORD
MUSTANG S550/S650MT/ATECOBOOST
3.7 V6
5.0 V8
5.2 V8
2WAYFA2TC101A-FRFA2
1.5WAYFA1TC101B-FRFA1
UNIVERSAL
LSD GEAR OIL GL-5 80W-90TC104A-01

MUSTANG RELATED PRODUCTS

Let's share this post !

Author of this article

Comments

To comment