{"product_id":"spool-performance-stage-2-paivitetty-vaihteistopaketti-diy-1500nm-8hp70-8hp75-8hp76","title":"Spool Performance Stage 2 Upgraded Transmission Kit DIY (+1500Nm) - 8HP70, 8HP75, 8HP76","description":"\u003cp data-start=\"83\" data-end=\"460\"\u003e The Spool Performance Stage 2 transmission upgrade kit is designed for ZF 8HP series automatic transmissions with the goal of significantly increasing torque resistance and reliability in tuned engines. The result of over a year of testing and development, the kit enables torque levels in excess of \u003cstrong data-start=\"365\" data-end=\"390\"\u003e1200 ft-lb (~1600 Nm)\u003c\/strong\u003e while maintaining transmission driveability and functionality.\u003c\/p\u003e\n\n\u003cp data-start=\"462\" data-end=\"646\"\u003e The kit addresses critical weaknesses in OEM designs, such as material limitations in C and E clutch hubs, and improves friction surface capacity, oil circulation, and temperature management.\u003c\/p\u003e\n\n\u003ch2 data-start=\"653\" data-end=\"680\"\u003e \u003cstrong data-start=\"656\" data-end=\"680\"\u003eTechnical updates\u003c\/strong\u003e\n\u003c\/h2\u003e\n\n\u003ch3 data-start=\"682\" data-end=\"723\"\u003e \u003cstrong data-start=\"686\" data-end=\"723\"\u003eBillet 7075 C and E clutch hubs\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n \u003cp data-start=\"724\" data-end=\"897\"\u003eIn ZF 8HP transmissions, the C and E hubs are known failure points because the original parts are made of cast aluminum (A380), which cannot withstand high torsional loads.\u003c\/p\u003e\n\n\u003cp data-start=\"899\" data-end=\"931\"\u003e \u003cstrong data-start=\"899\" data-end=\"931\"\u003eSpool Performance Solution:\u003c\/strong\u003e \u003c\/p\u003e\n\n\u003cul data-start=\"932\" data-end=\"1150\"\u003e\n\n\u003cli data-start=\"932\" data-end=\"985\"\u003e\n\n\u003cp data-start=\"934\" data-end=\"985\"\u003e CNC machined billet centers from 7075 aluminum \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"986\" data-end=\"1028\"\u003e\n\n\u003cp data-start=\"988\" data-end=\"1028\"\u003e Heat-treated and hard-anodized surface \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1029\" data-end=\"1075\"\u003e\n\n\u003cp data-start=\"1031\" data-end=\"1075\"\u003e Improved wear resistance and shear strength \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1076\" data-end=\"1115\"\u003e\n\n\u003cp data-start=\"1078\" data-end=\"1115\"\u003e Optimized oil channels and cooling \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1116\" data-end=\"1150\"\u003e\n\n\u003cp data-start=\"1118\" data-end=\"1150\"\u003e Larger clutch pack area\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp data-start=\"1152\" data-end=\"1254\"\u003e This prevents spline breakage and discs biting into the hub, which are typical OEM failure points.\u003c\/p\u003e\n\n\u003ch3 data-start=\"1261\" data-end=\"1309\"\u003e \u003cstrong data-start=\"1265\" data-end=\"1309\"\u003eFX-RT high friction coefficient friction surfaces\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp data-start=\"1310\" data-end=\"1375\"\u003e The friction plates in the series were developed in the Spool Performance laboratory. \u003c\/p\u003e\n\n\u003cul data-start=\"1377\" data-end=\"1528\"\u003e\n\n\u003cli data-start=\"1377\" data-end=\"1427\"\u003e\n\n\u003cp data-start=\"1379\" data-end=\"1427\"\u003e Higher coefficient of friction than OEM materials \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1428\" data-end=\"1455\"\u003e\n\n\u003cp data-start=\"1430\" data-end=\"1455\"\u003e Better temperature resistance \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1456\" data-end=\"1490\"\u003e\n\n\u003cp data-start=\"1458\" data-end=\"1490\"\u003e Stable engagement without slippage \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1491\" data-end=\"1528\"\u003e\n\n\u003cp data-start=\"1493\" data-end=\"1528\"\u003e Maintains drivability in street driving\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp data-start=\"1530\" data-end=\"1634\"\u003e Together with the increased clutch packs, this significantly increases the torque capacity of the transmission.\u003c\/p\u003e\n\n \u003ch3 data-start=\"1641\" data-end=\"1673\"\u003e\u003cstrong data-start=\"1645\" data-end=\"1673\"\u003eAdded clutch plate quantities\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp data-start=\"1674\" data-end=\"1754\"\u003e Each clutch pack has added plates and custom pressure and apply plates.\u003c\/p\u003e\n\n\u003cp data-start=\"1756\" data-end=\"1763\"\u003e Benefits: \u003c\/p\u003e\n\n\u003cul data-start=\"1764\" data-end=\"1855\"\u003e\n\n\u003cli data-start=\"1764\" data-end=\"1789\"\u003e\n\n\u003cp data-start=\"1766\" data-end=\"1789\"\u003e Better torque resistance \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1790\" data-end=\"1817\"\u003e\n\n\u003cp data-start=\"1792\" data-end=\"1817\"\u003e More even pressure distribution \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1818\" data-end=\"1855\"\u003e\n\n\u003cp data-start=\"1820\" data-end=\"1855\"\u003e Less heat load per plate\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3 data-start=\"1862\" data-end=\"1895\"\u003e \u003cstrong data-start=\"1866\" data-end=\"1895\"\u003ePreset switch packages\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003cp data-start=\"1896\" data-end=\"1964\"\u003e All clutch packages are delivered with their clearances adjusted. \u003c\/p\u003e\n\n\u003cul data-start=\"1966\" data-end=\"2069\"\u003e\n\n\u003cli data-start=\"1966\" data-end=\"1998\"\u003e\n\n\u003cp data-start=\"1968\" data-end=\"1998\"\u003e Fast and safe installation \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1999\" data-end=\"2025\"\u003e\n\n\u003cp data-start=\"2001\" data-end=\"2025\"\u003e No guesswork in clearances \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2026\" data-end=\"2069\"\u003e\n\n\u003cp data-start=\"2028\" data-end=\"2069\"\u003e Includes additional steel plates for custom adjustments\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch2 data-start=\"2076\" data-end=\"2097\"\u003e \u003cstrong data-start=\"2079\" data-end=\"2097\"\u003eSeries content\u003c\/strong\u003e \u003c\/h2\u003e\n\n\u003cul data-start=\"2099\" data-end=\"2350\"\u003e\n\n\u003cli data-start=\"2099\" data-end=\"2120\"\u003e\n\n\u003cp data-start=\"2101\" data-end=\"2120\"\u003e Billet 7075 C-hub \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2121\" data-end=\"2142\"\u003e\n\n\u003cp data-start=\"2123\" data-end=\"2142\"\u003e Billet 7075 E-hub \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2143\" data-end=\"2164\"\u003e\n\n\u003cp data-start=\"2145\" data-end=\"2164\"\u003e Hub center sleeve \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2165\" data-end=\"2228\"\u003e\n\n\u003cp data-start=\"2167\" data-end=\"2228\"\u003e Friction plates and steel plates for A, B, C, D and E clutch packs \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2229\" data-end=\"2266\"\u003e\n\n\u003cp data-start=\"2231\" data-end=\"2266\"\u003e Customized pressure and apply plates \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2267\" data-end=\"2322\"\u003e\n\n\u003cp data-start=\"2269\" data-end=\"2322\"\u003e Complete seal kit (O-rings and gaskets) \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2323\" data-end=\"2350\"\u003e\n\n\u003cp data-start=\"2325\" data-end=\"2350\"\u003e Additional steel plates for adjustment\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch2 data-start=\"2357\" data-end=\"2379\"\u003e \u003cstrong data-start=\"2360\" data-end=\"2379\"\u003eTechnical benefits\u003c\/strong\u003e \u003c\/h2\u003e\n\n\u003cul data-start=\"2381\" data-end=\"2594\"\u003e\n\n\u003cli data-start=\"2381\" data-end=\"2434\"\u003e\n\n\u003cp data-start=\"2383\" data-end=\"2434\"\u003e Over \u003cstrong data-start=\"2387\" data-end=\"2411\"\u003e1200 ft-lb \/ 1600 Nm\u003c\/strong\u003e torque capacity \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2435\" data-end=\"2477\"\u003e\n\n\u003cp data-start=\"2437\" data-end=\"2477\"\u003e Better clutch cooling and oil drainage\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2478\" data-end=\"2511\"\u003e\n\n \u003cp data-start=\"2480\" data-end=\"2511\"\u003eReduces spline breakage \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2512\" data-end=\"2553\"\u003e\n\n\u003cp data-start=\"2514\" data-end=\"2553\"\u003e Improves the thermal resistance of the gearbox \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2554\" data-end=\"2594\"\u003e\n\n\u003cp data-start=\"2556\" data-end=\"2594\"\u003e Maintains OEM-style drivability\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch2 data-start=\"2601\" data-end=\"2633\"\u003e \u003cstrong data-start=\"2604\" data-end=\"2633\"\u003eRecommended transmission oil\u003c\/strong\u003e\n\u003c\/h2\u003e\n\n\u003cp data-start=\"2634\" data-end=\"2703\"\u003e AMSOIL Signature Series Fuel-Efficient 100% Synthetic ATF (Blue Cap)\u003c\/p\u003e\n\n\u003ch2 data-start=\"2710\" data-end=\"2725\"\u003e \u003cstrong data-start=\"2713\" data-end=\"2725\"\u003eFit\u003c\/strong\u003e \u003c\/h2\u003e\n\n\u003cul data-start=\"2753\" data-end=\"2835\"\u003e\n\n\u003cli data-start=\"2753\" data-end=\"2803\"\u003e\n\n\u003cp data-start=\"2755\" data-end=\"2803\"\u003e \u003cstrong data-start=\"2755\" data-end=\"2767\"\u003eZF 8HP70\u003c\/strong\u003e (newer 48-spline versions only) \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2804\" data-end=\"2820\"\u003e\n\n\u003cp data-start=\"2806\" data-end=\"2820\"\u003e \u003cstrong data-start=\"2806\" data-end=\"2818\"\u003eZF 8HP75\u003c\/strong\u003e \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2821\" data-end=\"2835\"\u003e\n\n\u003cp data-start=\"2823\" data-end=\"2835\"\u003e \u003cstrong data-start=\"2823\" data-end=\"2835\"\u003eZF 8HP76\u003c\/strong\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp data-start=\"2837\" data-end=\"2872\"\u003e Used in the following models: \u003c\/p\u003e\n\n\u003cul data-start=\"2874\" data-end=\"3063\"\u003e\n\n\u003cli data-start=\"2874\" data-end=\"2888\"\u003e\n\n\u003cp data-start=\"2876\" data-end=\"2888\"\u003e BMW M5 F90 \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2889\" data-end=\"2915\"\u003e\n\n\u003cp data-start=\"2891\" data-end=\"2915\"\u003e BMW M8 F91 \/ F92 \/ F93 \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2916\" data-end=\"2932\"\u003e\n\n\u003cp data-start=\"2918\" data-end=\"2932\"\u003e BMW X3 M F97 \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2933\" data-end=\"2949\"\u003e\n\n\u003cp data-start=\"2935\" data-end=\"2949\"\u003e BMW X4 M F98 \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2950\" data-end=\"2966\"\u003e\n\n\u003cp data-start=\"2952\" data-end=\"2966\"\u003e BMW X5 M F95 \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2967\" data-end=\"2983\"\u003e\n\n\u003cp data-start=\"2969\" data-end=\"2983\"\u003e BMW X6 M F96 \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2984\" data-end=\"2998\"\u003e\n\n\u003cp data-start=\"2986\" data-end=\"2998\"\u003e BMW M3 G80 \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2999\" data-end=\"3019\"\u003e\n\n\u003cp data-start=\"3001\" data-end=\"3019\"\u003e BMW M4 G82 \/ G83 \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"3020\" data-end=\"3041\"\u003e\n\n\u003cp data-start=\"3022\" data-end=\"3041\"\u003e BMW Alpina B7 G12 \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"3042\" data-end=\"3063\"\u003e\n\n\u003cp data-start=\"3044\" data-end=\"3063\"\u003e BMW Alpina B8 G16\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"QT Parts","offers":[{"title":"Default Title","offer_id":52402128290139,"sku":"SP-ZF-LF-S2","price":4650.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/767.png?v=1771334589","url":"https:\/\/www.qtparts.fi\/en-gb\/products\/spool-performance-stage-2-paivitetty-vaihteistopaketti-diy-1500nm-8hp70-8hp75-8hp76","provider":"QT Parts","version":"1.0","type":"link"}