{"product_id":"psa-ma-gearbox-final-drive-4-28-4-61-5-00-5-67-circlip-thread","title":"4.28\/4.61\/5.00\/5.67 Final Drive for PSA MA gearbox | Circlip + Thread","description":"\u003ch3 data-start=\"250\" data-end=\"303\"\u003eFinal Drive for PSA MA Gearbox | Circlip + Thread\u003c\/h3\u003e\n\u003ch4 data-start=\"305\" data-end=\"327\"\u003eAvailable Ratios:\u003c\/h4\u003e\n\u003cul data-start=\"328\" data-end=\"411\"\u003e\n\u003cli data-start=\"328\" data-end=\"348\"\u003e\n\u003cp data-start=\"330\" data-end=\"348\"\u003e\u003cstrong data-start=\"330\" data-end=\"338\"\u003e4.28\u003c\/strong\u003e – 14\/60\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"349\" data-end=\"369\"\u003e\n\u003cp data-start=\"351\" data-end=\"369\"\u003e\u003cstrong data-start=\"351\" data-end=\"359\"\u003e4.61\u003c\/strong\u003e – 13\/60\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"370\" data-end=\"390\"\u003e\n\u003cp data-start=\"372\" data-end=\"390\"\u003e\u003cstrong data-start=\"372\" data-end=\"380\"\u003e5.00\u003c\/strong\u003e – 12\/60\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"391\" data-end=\"411\"\u003e\n\u003cp data-start=\"393\" data-end=\"411\"\u003e\u003cstrong data-start=\"393\" data-end=\"401\"\u003e5.67\u003c\/strong\u003e – 12\/68\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"413\" data-end=\"416\"\u003e\n\u003ch3 data-start=\"418\" data-end=\"431\"\u003eMaterial:\u003c\/h3\u003e\n\u003cp data-start=\"432\" data-end=\"607\"\u003eManufactured from \u003cstrong data-start=\"450\" data-end=\"486\"\u003ebillet and forged Ni-Cr-Mo steel\u003c\/strong\u003e, providing exceptional mechanical strength, high impact resistance, and long-term durability under extreme torque loads.\u003c\/p\u003e\n\u003chr data-start=\"609\" data-end=\"612\"\u003e\n\u003ch3 data-start=\"614\" data-end=\"627\"\u003eHardness:\u003c\/h3\u003e\n\u003cp data-start=\"630\" data-end=\"761\"\u003e\u003cstrong data-start=\"630\" data-end=\"643\"\u003eHRC 56–60\u003c\/strong\u003e, ensuring excellent resistance to wear and surface fatigue, even under high torque and aggressive driving conditions.\u003c\/p\u003e\n\u003chr data-start=\"763\" data-end=\"766\"\u003e\n\u003ch3 data-start=\"768\" data-end=\"791\"\u003eSurface Treatments:\u003c\/h3\u003e\n\u003cp data-start=\"792\" data-end=\"914\"\u003eThe final drive components undergo multiple advanced surface treatment processes to maximize performance and service life:\u003c\/p\u003e\n\u003cp data-start=\"917\" data-end=\"981\"\u003e\u003cstrong data-start=\"917\" data-end=\"933\"\u003eSandblasting\u003c\/strong\u003e – Improves surface uniformity and preparation\u003c\/p\u003e\n\u003cp data-start=\"984\" data-end=\"1072\"\u003e\u003cstrong data-start=\"984\" data-end=\"1000\"\u003eShot peening\u003c\/strong\u003e – Increases fatigue strength by inducing compressive surface stresses\u003c\/p\u003e\n\u003cp data-start=\"1075\" data-end=\"1179\"\u003e\u003cstrong data-start=\"1075\" data-end=\"1092\"\u003eWPC treatment\u003c\/strong\u003e – Enhances surface hardness, reduces friction, and improves micro-surface durability\u003c\/p\u003e\n\u003chr data-start=\"1181\" data-end=\"1184\"\u003e\n\u003ch3 data-start=\"1186\" data-end=\"1206\"\u003eHeat Treatments:\u003c\/h3\u003e\n\u003cp data-start=\"1207\" data-end=\"1305\"\u003eTo ensure maximum strength, stability, and reliability, the following heat treatments are applied:\u003c\/p\u003e\n\u003cp data-start=\"1308\" data-end=\"1403\"\u003e\u003cstrong data-start=\"1308\" data-end=\"1323\"\u003eCarburizing\u003c\/strong\u003e – Increases surface hardness while maintaining a tough, impact-resistant core\u003c\/p\u003e\n\u003cp data-start=\"1406\" data-end=\"1517\"\u003e\u003cstrong data-start=\"1406\" data-end=\"1429\"\u003eCryogenic treatment\u003c\/strong\u003e – Improves dimensional stability, wear resistance, and long-term gear mesh durability\u003c\/p\u003e\n\u003chr data-start=\"1519\" data-end=\"1522\"\u003e\n\u003ch3 data-start=\"1524\" data-end=\"1549\"\u003ePerformance Benefits:\u003c\/h3\u003e\n\u003cp data-start=\"1552\" data-end=\"1611\"\u003eIncreased torque multiplication and improved acceleration\u003c\/p\u003e\n\u003cp data-start=\"1614\" data-end=\"1689\"\u003eOptimized for \u003cstrong data-start=\"1628\" data-end=\"1642\"\u003emotorsport\u003c\/strong\u003e and \u003cstrong data-start=\"1647\" data-end=\"1687\"\u003ehigh-performance street applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1692\" data-end=\"1759\"\u003eHigh resistance to shock loads and sustained high-speed operation\u003c\/p\u003e\n\u003cp data-start=\"1762\" data-end=\"1854\"\u003eSpecifically designed for \u003cstrong data-start=\"1788\" data-end=\"1808\"\u003ePSA MA gearboxes\u003c\/strong\u003e using \u003cstrong data-start=\"1815\" data-end=\"1854\"\u003ecirclip + threaded fixation systems\u003c\/strong\u003e\u003c\/p\u003e","brand":"RSX Racing Solutions","offers":[{"title":"4.28 - 14x60","offer_id":54586805256536,"sku":"210601750","price":654.5,"currency_code":"EUR","in_stock":true},{"title":"4.61 - 13x60","offer_id":53805015564632,"sku":"210600549","price":676.5,"currency_code":"EUR","in_stock":true},{"title":"5.0 - 12x60 - (Available on order in 10-12 days)","offer_id":54586789626200,"sku":"210600030","price":654.5,"currency_code":"EUR","in_stock":true},{"title":"5.67 - 12x68","offer_id":53805015597400,"sku":"210601128","price":676.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/3618\/2448\/files\/FD_MA_R._5.667--2.jpg?v=1734021678","url":"https:\/\/www.rsxracingsolutions.com\/en-fr\/products\/psa-ma-gearbox-final-drive-4-28-4-61-5-00-5-67-circlip-thread","provider":"RSX Racing Solutions","version":"1.0","type":"link"}