{"product_id":"wavetrac-helical-lsd-porsche-915-43-911-930","title":"Wavetrac Helical LSD – Porsche 915-43 (911 \/ 930)","description":"\u003ch3 data-end=\"194\" data-start=\"141\"\u003eWavetrac Helical LSD – Porsche 915-43 (911 \/ 930)\u003c\/h3\u003e\n\u003cp data-end=\"502\" data-start=\"196\"\u003eThe Wavetrac limited slip differential is a torque-biasing \u003cstrong data-end=\"275\" data-start=\"255\"\u003ehelical gear LSD\u003c\/strong\u003e designed to improve traction, stability, and power delivery in Porsche 915-43 transmissions. It provides smooth, progressive locking under load without the noise, chatter, or servicing requirements of plate-type differentials.\u003c\/p\u003e\n\u003cp data-end=\"805\" data-start=\"504\"\u003eUnlike conventional helical LSDs, Wavetrac incorporates a patented \u003cstrong data-end=\"601\" data-start=\"571\"\u003ewave-cam preload mechanism\u003c\/strong\u003e that maintains drive when one wheel becomes lightly loaded, such as during kerb strikes, crests, or uneven surfaces. This avoids the momentary loss of drive common to traditional gear-type differentials.\u003c\/p\u003e\n\u003ch3 data-end=\"819\" data-start=\"807\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-end=\"1129\" data-start=\"820\"\u003e\n\u003cli data-end=\"877\" data-start=\"820\"\u003e\n\u003cp data-end=\"877\" data-start=\"822\"\u003eHelical gear torque-biasing limited slip differential\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"924\" data-start=\"878\"\u003e\n\u003cp data-end=\"924\" data-start=\"880\"\u003ePatented no\/near-zero load traction device\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"978\" data-start=\"925\"\u003e\n\u003cp data-end=\"978\" data-start=\"927\"\u003eSmooth, progressive engagement – no clutch plates\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1017\" data-start=\"979\"\u003e\n\u003cp data-end=\"1017\" data-start=\"981\"\u003eMaintenance-free in normal service\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1070\" data-start=\"1018\"\u003e\n\u003cp data-end=\"1070\" data-start=\"1020\"\u003eHigh-strength heat-treated alloy steel internals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1129\" data-start=\"1071\"\u003e\n\u003cp data-end=\"1129\" data-start=\"1073\"\u003eSuitable for fast road, track day, and competition use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1142\" data-start=\"1131\"\u003eFitment\u003c\/h3\u003e\n\u003cul data-end=\"1222\" data-start=\"1143\"\u003e\n\u003cli data-end=\"1182\" data-start=\"1143\"\u003e\n\u003cp data-end=\"1182\" data-start=\"1145\"\u003e\u003cstrong data-end=\"1169\" data-start=\"1145\"\u003ePorsche 911 (915-43)\u003c\/strong\u003e: 1978–1986\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1222\" data-start=\"1183\"\u003e\n\u003cp data-end=\"1222\" data-start=\"1185\"\u003e\u003cstrong data-end=\"1209\" data-start=\"1185\"\u003ePorsche 930 Turbo (915-43)\u003c\/strong\u003e: 1978–1988\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1233\" data-start=\"1224\"\u003eNotes\u003c\/h3\u003e\n\u003cul data-end=\"1400\" data-start=\"1234\"\u003e\n\u003cli data-end=\"1286\" data-start=\"1234\"\u003e\n\u003cp data-end=\"1286\" data-start=\"1236\"\u003eDirect replacement for factory open differential\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1340\" data-start=\"1287\"\u003e\n\u003cp data-end=\"1340\" data-start=\"1289\"\u003eCompatible with standard and uprated final drives\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1400\" data-start=\"1341\"\u003e\n\u003cp data-end=\"1400\" data-start=\"1343\"\u003eProfessional installation and correct setup recommended\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1421\" data-start=\"1402\"\u003eWhat’s included\u003c\/h3\u003e\n\u003cul data-end=\"1490\" data-start=\"1422\"\u003e\n\u003cli data-end=\"1490\" data-start=\"1422\"\u003e\n\u003cp data-end=\"1490\" data-start=\"1424\"\u003eWavetrac helical limited slip differential unit for Porsche 915-43\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Rennworks Performance","offers":[{"title":"Default Title","offer_id":56911532622159,"sku":"40.309.150WK","price":1980.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0942\/0924\/5519\/files\/40.309.160WK_2040.309.160WK-2_20_282_29.jpg?v=1769443740","url":"https:\/\/rennworks-performance.com\/products\/wavetrac-helical-lsd-porsche-915-43-911-930","provider":"Rennworks Performance","version":"1.0","type":"link"}