Tomei Technical Trax Advance 1.5-Way LSD Pro Kit TC102B-NSHX1 - image 1

Tomei Technical Trax Advance 1.5-Way LSD Pro Kit - Nissan 350Z / 370Z / 400Z 6MT

$1,931.30
Sale price  $1,931.30 Regular price  $2,170.00
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Tomei Technical Trax Advance 1.5-Way LSD Pro Kit TC102B-NSHX1 - image 1

Tomei Technical Trax Advance 1.5-Way LSD Pro Kit - Nissan 350Z / 370Z / 400Z 6MT

$1,931.30
Sale price  $1,931.30 Regular price  $2,170.00

TC102B-NSHX1 - Tomei Technical Trax Advance 1.5-Way LSD Pro Kit with 3.9 Final Drive Gear Set

Developed for the Nissan 350Z, 370Z, and Z/400Z with a 6-speed manual transmission and open differential (HX1). This Pro Kit combines Tomei's aggressive mechanical 1.5-way limited-slip differential with a 3.916 final drive gear set to improve traction, rear-wheel-drive control, acceleration response, and shift feel.

Applications

  • Nissan 350Z / Z33 — VQ35DE, 6MT, open differential
  • Nissan 370Z / Z34 — VQ37VHR, 6MT, open differential
  • Nissan Z / 400Z / RZ34 — VR30DDTT, 6MT, open differential

Kit Contents

  • Tomei Technical Trax Advance 1.5-way mechanical LSD
  • Tomei 3.9 final drive gear set (3.916 ratio)

Features

  • High-capacity clutch-disc structure for strong locking performance
  • Designed to maximize rear traction in FR sports cars
  • Improved drive-force transfer and rear grip at corner exit
  • Improved acceleration, straight-line stability, and rear contact feel
  • Effective for street, winding-road, grip, and circuit use
  • Improved rear control and direct FR driving feel
  • Fully machined case for strength, reduced weight, and added internal disc capacity
  • Larger-diameter friction discs than the OEM LSD
  • 12 discs per side / 24 total, compared with 5 per side / 10 total in the OEM unit

1.5-Way Characteristics

The 1.5-way configuration emphasizes lock under acceleration while remaining easier to control during deceleration than a 2-way LSD. Recommended for street driving, winding roads, circuit driving, and grip driving.

Final Drive Comparison

Specification Final Drive Characteristics
Nissan factory 3.538 Mild gearing focused on highway cruising and fuel economy
Tomei Pro Kit 3.916 Approximately 10% shorter gearing for stronger acceleration response and more engaging 2nd-to-3rd gear performance

Nissan OEM 6MT Gear Ratios

1st 2nd 3rd 4th 5th 6th
3.530 2.324 1.624 1.271 1.000 0.794

Cruising / Theoretical Speed Comparison

Final Drive Approx. RPM at 100 km/h in 6th 6th Gear at 7000 RPM
OEM 3.538 Approx. 2200 RPM Approx. 318.6 km/h
Tomei 3.916 Approx. 2430 RPM Approx. 288.0 km/h

Specifications

  • Part number: TC102B-NSHX1
  • Type: 1.5-way mechanical LSD Pro Kit
  • Final drive ratio: 3.916
  • Shipping size: 15 × 13 × 19 in (37 × 31 × 47 cm)
  • Shipping weight: 48 lb (22 kg)

Important Notice

This is a performance mechanical LSD with aggressive characteristics. Operating noise, chattering, and tire dragging may occur during low-speed turns or parking. It may not suit customers who prioritize factory-like quietness or mild operation.

Professional installation by a qualified technician is strongly recommended; specialized tools may be required. Follow all supplied instructions and warning labels. Some performance products may not be legal for public-road use in every area—verify local requirements before purchase and installation. Specifications, appearance, contents, and pricing are subject to manufacturer change without notice.

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