{"product_id":"spec-rb25-20-stage-2-clutch-kit-1","title":"Spec RB25\/20 Stage 2 Clutch Kit","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eCSN232\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cstrong\u003eSpec Stage 2 Clutch Kit RB25\/20 for 1989-1998 Nissan Silvia S13 180SX RPS13 240SX S14\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003eSpec CSN232\u003c\/strong\u003e Stage 2 Clutch Kit is the best performance clutch upgrade for 1989-1998 Nissan Silvia S13, 180SX RPS13, and 240SX S14 owners with RB25DET or RB20DET swapped engines. Engineered for street, drift, and light track use, this kit features a high-torque organic disc, heavy-duty pressure plate, and precision-machined flywheel compatibility, delivering strong holding power, smooth engagement, and excellent drivability while handling up to 400-500+ ft-lbs of torque ideal for modified SR\/RB builds seeking reliable performance without excessive pedal effort or harshness.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage 2 Organic Disc:\u003c\/strong\u003e High-torque sprung hub organic friction material for smooth engagement and strong holding power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Pressure Plate:\u003c\/strong\u003e Increased clamp load for superior torque capacity while maintaining street-friendly pedal feel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-Machined Components:\u003c\/strong\u003e CNC-machined pressure plate and floater for consistent clamping force and minimal vibration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e Engineered for RB25\/20 swapped S13\/S14 applications – bolts up with stock or aftermarket flywheel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStreet \u0026amp; Performance Balance:\u003c\/strong\u003e Excellent for daily driven drift cars, street builds, or light track use – no excessive chatter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKit Contents:\u003c\/strong\u003e Clutch disc, pressure plate, alignment tool, and pilot bearing (flywheel not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable width=\"100%\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eCSN232\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStage\u003c\/td\u003e\n\u003ctd\u003eStage 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFriction Material\u003c\/td\u003e\n\u003ctd\u003eOrganic (High-Torque Sprung Hub)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorque Capacity\u003c\/td\u003e\n\u003ctd\u003e400-500+ ft-lbs (Application Dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eRB25DET \/ RB20DET Swapped 1989-1998 Nissan Silvia S13, 180SX RPS13, 240SX S14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited (Manufacturer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for RB25\/20 swapped S13\/S14 – excellent for drift, street, or light track applications\u003c\/li\u003e\n\u003cli\u003eStage 2 organic material provides smooth engagement with strong holding power – ideal for daily driven performance builds\u003c\/li\u003e\n\u003cli\u003eFlywheel not included – compatible with stock or aftermarket flywheels (recommend lightweight for quicker response)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEstimated time: 4-8 hours, advanced difficulty, professional installation recommended\u003c\/li\u003e\n\u003cli\u003eRequires transmission removal – use alignment tool for proper disc centering\u003c\/li\u003e\n\u003cli\u003eBreak-in period recommended – follow Spec guidelines for optimal clutch life and performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1998\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eSilvia S13 \/ 180SX RPS13 \/ 240SX S14\u003c\/td\u003e\n\u003ctd\u003eRB25DET \/ RB20DET Swapped\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose Spec Stage 2 Clutch Kit?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-torque organic disc and heavy-duty pressure plate deliver strong holding power with smooth street drivability\u003c\/li\u003e\n\u003cli\u003ePrecision engineering reduces chatter and improves pedal feel compared to aggressive race clutches\u003c\/li\u003e\n\u003cli\u003eProven in drift and street applications – excellent balance for modified RB-swapped S-chassis builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will this fit my RB25 swapped S13? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, CSN232 is designed for RB25\/20 swapped 1989-1998 Nissan Silvia S13, 180SX RPS13, and 240SX S14 applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is it suitable for daily driving? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, Stage 2 organic material provides smooth engagement and street-friendly pedal feel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does it require flywheel upgrade? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No – compatible with stock or aftermarket flywheels; lightweight flywheel recommended for quicker response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What torque can it hold? \u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Rated for 400-500+ ft-lbs depending on application – excellent for modified RB builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS\/FedEx Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Secure retail box\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPEC","offers":[{"title":"Default Title","offer_id":44455480819791,"sku":"SPECSN232","price":526.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/spec-rb2520-stage-2-clutch-kit-spec_6446ae52.png?v=1773132310","url":"https:\/\/www.blackopsautoworks.com\/products\/spec-rb25-20-stage-2-clutch-kit-1","provider":"Black Ops Auto Works","version":"1.0","type":"link"}