{"product_id":"jdm-shifter-knob-l-series-transmission","title":"JDM Shifter Knob - L-Series Transmission","description":"\u003cp\u003eAn authentic JDM shifter knob sourced from Japan, sized for the L-Series transmission in the Datsun S30Z. A period-correct upgrade that improves the feel of every shift while keeping the interior looking right.\u003c\/p\u003e\n\u003cp\u003eShifter knob fitment on the S30Z is straightforward for most models, but there's an important thread size distinction to be aware of before ordering — see the fitment notes below.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAuthentic JDM shifter knob sourced from Japan\u003c\/li\u003e\n\u003cli\u003ePeriod-correct aesthetic for S30Z interiors\u003c\/li\u003e\n\u003cli\u003eDesigned for L-Series manual transmissions\u003c\/li\u003e\n\u003cli\u003eImproved shift feel over worn OEM knobs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eThread Fitment Guide\u003c\/h3\u003e\n\u003cp\u003eThe 240Z and most 260Z\/280Z models use a standard \u003cstrong\u003eM8 x 1.25\u003c\/strong\u003e thread (8mm diameter, 1.25mm pitch). However, some 280Z 5-speed transmissions use \u003cstrong\u003eM10 x 1.25\u003c\/strong\u003e threads instead. The pitch is consistent across all models, but the diameter may differ on certain 280Z manual gearboxes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWe strongly recommend measuring your shifter threads directly before ordering.\u003c\/strong\u003e If you're unsure, contact ZSM Custom with your chassis and transmission details and we'll help confirm the correct size.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDatsun 240Z — M8 x 1.25\u003c\/li\u003e\n\u003cli\u003eDatsun 260Z — M8 x 1.25\u003c\/li\u003e\n\u003cli\u003eDatsun 280Z (most models) — M8 x 1.25\u003c\/li\u003e\n\u003cli\u003eDatsun 280Z (some 5-speed models) — M10 x 1.25\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Measure your shifter thread diameter before purchasing. Please be aware that pricing and availabity may vary. \u003c\/em\u003e\u003c\/p\u003e","brand":"ZSM Custom","offers":[{"title":"Default Title","offer_id":59792616685649,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1020\/0868\/4625\/files\/WhatsAppImage2026-07-10at5.38.52AM.jpg?v=1783825208","url":"https:\/\/zsmcustom.com\/products\/jdm-shifter-knob-l-series-transmission","provider":"ZSM Custom","version":"1.0","type":"link"}