{"product_id":"tomei-technical-trax-advance-1-5-way-lsd-pro-kit-nissan-350z-370z-400z-6mt","title":"Tomei Technical Trax Advance 1.5-Way LSD Pro Kit - Nissan 350Z \/ 370Z \/ 400Z 6MT","description":"\u003cp\u003e\u003cstrong\u003eTC102B-NSHX1 - Tomei Technical Trax Advance 1.5-Way LSD Pro Kit with 3.9 Final Drive Gear Set\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDeveloped 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.\u003c\/p\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNissan 350Z \/ Z33 — VQ35DE, 6MT, open differential\u003c\/li\u003e\n\u003cli\u003eNissan 370Z \/ Z34 — VQ37VHR, 6MT, open differential\u003c\/li\u003e\n\u003cli\u003eNissan Z \/ 400Z \/ RZ34 — VR30DDTT, 6MT, open differential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTomei Technical Trax Advance 1.5-way mechanical LSD\u003c\/li\u003e\n\u003cli\u003eTomei 3.9 final drive gear set (3.916 ratio)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-capacity clutch-disc structure for strong locking performance\u003c\/li\u003e\n\u003cli\u003eDesigned to maximize rear traction in FR sports cars\u003c\/li\u003e\n\u003cli\u003eImproved drive-force transfer and rear grip at corner exit\u003c\/li\u003e\n\u003cli\u003eImproved acceleration, straight-line stability, and rear contact feel\u003c\/li\u003e\n\u003cli\u003eEffective for street, winding-road, grip, and circuit use\u003c\/li\u003e\n\u003cli\u003eImproved rear control and direct FR driving feel\u003c\/li\u003e\n\u003cli\u003eFully machined case for strength, reduced weight, and added internal disc capacity\u003c\/li\u003e\n\u003cli\u003eLarger-diameter friction discs than the OEM LSD\u003c\/li\u003e\n\u003cli\u003e12 discs per side \/ 24 total, compared with 5 per side \/ 10 total in the OEM unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e1.5-Way Characteristics\u003c\/h2\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003ch2\u003eFinal Drive Comparison\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eFinal Drive\u003c\/th\u003e\n\u003cth\u003eCharacteristics\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan factory\u003c\/td\u003e\n\u003ctd\u003e3.538\u003c\/td\u003e\n\u003ctd\u003eMild gearing focused on highway cruising and fuel economy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTomei Pro Kit\u003c\/td\u003e\n\u003ctd\u003e3.916\u003c\/td\u003e\n\u003ctd\u003eApproximately 10% shorter gearing for stronger acceleration response and more engaging 2nd-to-3rd gear performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eNissan OEM 6MT Gear Ratios\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e1st\u003c\/th\u003e\n\u003cth\u003e2nd\u003c\/th\u003e\n\u003cth\u003e3rd\u003c\/th\u003e\n\u003cth\u003e4th\u003c\/th\u003e\n\u003cth\u003e5th\u003c\/th\u003e\n\u003cth\u003e6th\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3.530\u003c\/td\u003e\n\u003ctd\u003e2.324\u003c\/td\u003e\n\u003ctd\u003e1.624\u003c\/td\u003e\n\u003ctd\u003e1.271\u003c\/td\u003e\n\u003ctd\u003e1.000\u003c\/td\u003e\n\u003ctd\u003e0.794\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eCruising \/ Theoretical Speed Comparison\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFinal Drive\u003c\/th\u003e\n\u003cth\u003eApprox. RPM at 100 km\/h in 6th\u003c\/th\u003e\n\u003cth\u003e6th Gear at 7000 RPM\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOEM 3.538\u003c\/td\u003e\n\u003ctd\u003eApprox. 2200 RPM\u003c\/td\u003e\n\u003ctd\u003eApprox. 318.6 km\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTomei 3.916\u003c\/td\u003e\n\u003ctd\u003eApprox. 2430 RPM\u003c\/td\u003e\n\u003ctd\u003eApprox. 288.0 km\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePart number: TC102B-NSHX1\u003c\/li\u003e\n\u003cli\u003eType: 1.5-way mechanical LSD Pro Kit\u003c\/li\u003e\n\u003cli\u003eFinal drive ratio: 3.916\u003c\/li\u003e\n\u003cli\u003eShipping size: 15 × 13 × 19 in (37 × 31 × 47 cm)\u003c\/li\u003e\n\u003cli\u003eShipping weight: 48 lb (22 kg)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImportant Notice\u003c\/h2\u003e\n\u003cp\u003eThis 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.\u003c\/p\u003e\n\u003cp\u003eProfessional 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.\u003c\/p\u003e","brand":"Tomei","offers":[{"title":"Default Title","offer_id":53785808732467,"sku":"TC102B-NSHX1","price":1931.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0256\/5855\/6497\/files\/tomei-tc102b-nshx1-01_ae93645c-723c-4a56-ab6b-83f1133e3b46.jpg?v=1785732952","url":"https:\/\/www.circuitspecr.com\/products\/tomei-technical-trax-advance-1-5-way-lsd-pro-kit-nissan-350z-370z-400z-6mt","provider":"Circuit Spec R","version":"1.0","type":"link"}