{"product_id":"titan-motorsports-ca625-head-stud-kit-for-honda-b-k-series-engines","title":"Titan Motorsports CA625+ Head Stud Kit for Honda B\/K series engines","description":"\u003ch1\u003eTitan Motorsports Extreme Duty CA625+ Head Stud Kit – Honda\/Acura B-Series \u0026amp; K-Series\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number: TMS HON-ENG-110\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen extreme cylinder pressure demands more than a conventional head stud can deliver, step up to the \u003cstrong\u003eTitan Motorsports CA625+ Extreme Duty Head Stud Kit\u003c\/strong\u003e, manufactured exclusively for Titan Motorsports by \u003cstrong\u003eARP\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDeveloped for high-horsepower Honda and Acura B-Series and K-Series engines, this kit is designed for serious street, drag, roll-racing, and competition applications where maximum cylinder-head clamping force and head-gasket sealing are critical.\u003c\/p\u003e\n\u003cp\u003eThe Titan Motorsports CA625+ kit is an ideal upgrade for high-boost combinations that have moved beyond the capabilities of traditional 8740 chromoly head studs.\u003c\/p\u003e\n\u003ch2\u003eARP Custom Age 625+ – The Ultimate Head Stud Material\u003c\/h2\u003e\n\u003cp\u003eThese studs are manufactured for Titan Motorsports by ARP using \u003cstrong\u003eCustom Age 625+\u003c\/strong\u003e, one of ARP's premier high-strength super-alloys.\u003c\/p\u003e\n\u003cp\u003eWith a typical tensile strength of approximately \u003cstrong\u003e260,000–280,000 PSI\u003c\/strong\u003e, CA625+ provides substantially greater strength and clamping capability than conventional 8740 chromoly fasteners commonly used in standard performance head stud kits.\u003c\/p\u003e\n\u003cp\u003eThat increased strength allows the fastener to maintain extremely high clamp loads under severe cylinder pressure — exactly what is required in high-boost and high-horsepower Honda applications where cylinder-head lift and head-gasket failure can become limiting factors.\u003c\/p\u003e\n\u003cp\u003eUnlike some ultra-high-strength alloy steels, CA625+ also offers excellent fatigue characteristics, toughness, and resistance to corrosion and oxidation, making it an outstanding material for extreme motorsports applications.\u003c\/p\u003e\n\u003ch2\u003eDesigned for Extreme Honda Performance\u003c\/h2\u003e\n\u003cp\u003eThe TMS HON-ENG-110 was developed for racers and engine builders demanding maximum head sealing from Honda's legendary B-Series and K-Series platforms.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eARP Custom Age 625+ super-alloy construction\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTypical tensile strength of approximately \u003cstrong\u003e260,000–280,000 PSI\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSignificantly stronger than conventional 8740 chromoly head studs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eManufactured by \u003cstrong\u003eARP exclusively for Titan Motorsports\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned to provide extreme cylinder-head clamping force\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExcellent fatigue strength and toughness\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExcellent resistance to corrosion and oxidation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e3\/16\" hex broach\u003c\/strong\u003e at the top of each stud for easier installation and removal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan simplify installation when servicing the engine with the cylinder head in the vehicle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDirect replacement for OEM-style head fasteners\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNo cylinder-head or engine-block machining required\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for serious high-boost and high-cylinder-pressure applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHeavy-Duty 9\/16\" Hardware\u003c\/h2\u003e\n\u003cp\u003eThe Titan Motorsports CA625+ kit uses \u003cstrong\u003eoversized forged 9\/16\" 12-point nuts and hardened, parallel-ground washers\u003c\/strong\u003e to provide excellent load distribution and clamping stability.\u003c\/p\u003e\n\u003cp\u003eThe larger hardware provides a more robust clamping interface than the smaller 1\/2\" nut and washer combinations commonly found in many performance head stud kits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA 9\/16\" 12-point socket is required for installation of the head stud nuts.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eHonda \/ Acura Fitment\u003c\/h2\u003e\n\u003cp\u003eDesigned for Honda and Acura \u003cstrong\u003eB-Series VTEC and K-Series engines\u003c\/strong\u003e, including popular applications such as:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eB-Series VTEC\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eB16A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eB18C1\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eB18C5\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eB20 VTEC conversions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLS\/VTEC combinations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eK-Series\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eK20 applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eK24 applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDoes Not Fit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eK24Z7\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFull B18A\/B non-VTEC cylinder-head applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAlways verify engine and cylinder-head configuration before installation.\u003c\/p\u003e\n\u003ch2\u003eKit Includes\u003c\/h2\u003e\n\u003cp\u003eEach Titan Motorsports CA625+ Head Stud Kit includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e10 CA625+ head studs\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e10 oversized forged 9\/16\" 12-point nuts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e10 hardened parallel-ground washers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eARP Ultra-Torque Fastener Assembly Lubricant\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eComplete hardware required for installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy CA625+?\u003c\/h2\u003e\n\u003cp\u003eAs boost and horsepower increase, combustion pressure attempts to physically separate the cylinder head from the engine block. Maintaining adequate and consistent clamping force becomes increasingly important to keeping the head gasket sealed.\u003c\/p\u003e\n\u003cp\u003eFor moderate builds, conventional head studs may be sufficient.\u003c\/p\u003e\n\u003cp\u003eFor extreme builds, \u003cstrong\u003eCA625+ provides another level of fastener strength and clamping capability.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Titan Motorsports CA625+ Head Stud Kit was created for Honda racers who don't want the head fastener to become the weak link in their engine combination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTitan Motorsports TMS HON-ENG-110\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCA625+ Extreme Duty Head Stud Kit\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eHonda \/ Acura B-Series \u0026amp; K-Series\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eManufactured by ARP for Titan Motorsports\u003c\/strong\u003e\u003c\/p\u003e","brand":"Titan Motorsports","offers":[{"title":"Default Title","offer_id":54896507486574,"sku":"TMS HON-ENG-110","price":2216.0,"currency_code":"QAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0066\/0370\/2362\/files\/ChatGPT_Image_Sep_11_2026_11_37_17_AM.png?v=1789141050","url":"https:\/\/titanmotorsports.com\/en-qa\/products\/titan-motorsports-ca625-head-stud-kit-for-honda-b-k-series-engines","provider":"Titan Motorsports","version":"1.0","type":"link"}