{"product_id":"xotic-performance-hardened-harmonic-balancer-bolt-kit-for-gm-ls-4-8l-6-2l-8740-chrome-steel-includes-socket-lubricant","title":"Xotic Performance Hardened Harmonic Balancer Bolt Kit for GM LS 4.8L–6.2L — 8740 Chrome Steel, Includes Socket \u0026 Lubricant","description":"\u003cp\u003e\u003cstrong\u003eThe Xotic Performance Hardened Harmonic Balancer Bolt Kit (CP236) is a drop-in, high-strength replacement designed to secure GM Gen III\/IV LS 4.8L–6.2L balancers with included socket and assembly lubricant.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you service or upgrade Chevrolet GM LS engines, the CP236 bolt kit removes guesswork—providing a precision-fit, hardened 8740 chrome steel bolt, a hardened parallel washer, installation lubricant, and a dedicated socket so you can torque the harmonic balancer correctly. Built for durability and repeatable performance, this kit addresses common failure points of original equipment bolts and simplifies installation for shops and experienced DIYers alike.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this bolt improve reliability on high-mileage LS engines?\u003c\/h3\u003e\n\u003cp\u003eThe CP236 uses 8740 chrome plated steel with a black oxide finish for superior tensile strength and corrosion resistance compared with standard hardware. Its high 200,000 psi rating increases clamping force and resists stretch or fatigue under thermal cycling and vibration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e8740 chrome steel construction for maximum tensile strength\u003c\/li\u003e\n  \u003cli\u003eBlack oxide coating to reduce corrosion and galling\u003c\/li\u003e\n  \u003cli\u003eHardened parallel washer to prevent deformation under load\u003c\/li\u003e\n  \u003cli\u003eEngineered for repeated service without compromising thread integrity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this fit my GM Gen III\/IV LS 4.8L–6.2L engine without modifications?\u003c\/h3\u003e\n\u003cp\u003eYes — the CP236 is manufactured as a direct-fit replacement for Chevrolet GM Gen III and IV LS engines in the 4.8L, 5.3L, 6.0L, and 6.2L displacements. The bolt geometry and washer dimensions match OE mounting surfaces so you won’t need machining or adapters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned specifically for GM LS 4.8L, 5.3L, 6.0L, 6.2L flange and crank specs\u003c\/li\u003e\n  \u003cli\u003eNo alteration of the harmonic balancer or crank required\u003c\/li\u003e\n  \u003cli\u003eDirect-fit kit for straightforward replacement procedures\u003c\/li\u003e\n  \u003cli\u003eCompatible with stock and many aftermarket balancers built to OEM spec\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools and parts are included, and how does that affect installation?\u003c\/h3\u003e\n\u003cp\u003eThe CP236 kit arrives with a dedicated socket sized for the bolt head and a tube of assembly lubricant, plus the hardened bolt and washer—so you have the critical items to install the balancer properly. The included 12-point high-head design simplifies access in tight engine bays and helps achieve correct torque with common shop tools.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded socket matches bolt head for clean torque application\u003c\/li\u003e\n  \u003cli\u003eAssembly lubricant to ensure correct preload and reduce galling\u003c\/li\u003e\n  \u003cli\u003e12-point bolt head for improved tool engagement in cramped spaces\u003c\/li\u003e\n  \u003cli\u003eComplete kit reduces trips for missing parts and speeds service time\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this bolt help when swapping aftermarket balancers or doing engine builds?\u003c\/h3\u003e\n\u003cp\u003eDuring performance builds or balancer swaps, reliable clamping and fatigue resistance are essential to maintain harmonic control. The high-strength bolt and hardened washer in the CP236 minimize the chance of thread stretching or washer flattening under higher loads or repeated assembly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMaintains bolt stretch properties for consistent clamp across rebuilds\u003c\/li\u003e\n  \u003cli\u003eHardened washer prevents crushing on high-torque applications\u003c\/li\u003e\n  \u003cli\u003eWorks with many aftermarket balancers that follow OEM mounting standards\u003c\/li\u003e\n  \u003cli\u003eHelps protect crank snout and balancer from damage due to improper hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Xotic Performance CP236 harmonic balancer bolt kit is aimed at mechanics, performance builders, and informed DIYers who work on Chevrolet GM LS-series 4.8L–6.2L engines and want a durable, direct-fit replacement bolt with the parts needed for correct installation. Choose this kit if you need higher strength hardware, worry about corrosion or bolt fatigue, or want the convenience of an all-in-one solution that reduces installation errors.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the CP236 bolt compatible with aftermarket harmonic balancers?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it fits aftermarket balancers built to OEM GM Gen III\/IV 4.8L–6.2L mounting specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include a torque socket and lubricant?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the kit includes a dedicated socket and assembly lubricant for proper installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Xotic Performance","offers":[{"title":"Default Title","offer_id":48086754328734,"sku":"B09NB1Y8F6","price":53.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/xotic-performance-cp236-front-package.jpg?v=1785903505","url":"https:\/\/northtrailauto.ca\/products\/xotic-performance-hardened-harmonic-balancer-bolt-kit-for-gm-ls-4-8l-6-2l-8740-chrome-steel-includes-socket-lubricant","provider":"North Trail Auto","version":"1.0","type":"link"}