{"product_id":"arp-sb-chevy-18a-standard-head-stud-kit","title":"ARP 8740 Chromoly Head Stud Kit - Chevrolet Small Block 18-Degree standard | 12-Point Nuts","description":"\u003cp\u003eThe ARP 234-4307 head stud kit is listed for Chevrolet Small Block 18A standard. The fasteners secure the cylinder head to the block; their application, installed length and preload must work with the chosen head and gasket arrangement.\u003c\/p\u003e\u003ch3\u003eTechnical Highlights\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: 234-4307\u003c\/li\u003e\n\u003cli\u003eApplication\/configuration: Chevrolet Small Block 18A standard\u003c\/li\u003e\n\u003cli\u003eMaterial: 8740 chrome moly\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e8740 chrome moly is a heat-treatable alloy steel used for strength and fatigue resistance in engine fasteners. Correct preload and joint preparation remain essential to the assembled connection.\u003c\/p\u003e\u003ch3\u003eSelection Guidance\u003c\/h3\u003e\u003cp\u003eFastener preload supplies the clamping force at the head-to-block joint. Gasket sealing also depends on suitable deck finish, component condition and the correct assembly procedure.\u003c\/p\u003e\u003cp\u003eMatch the engine and any specified aftermarket cylinder heads or block to the listed configuration. Do not assume that related engines use the same fastener dimensions.\u003c\/p\u003e\u003ch3\u003eInstallation Considerations\u003c\/h3\u003e\u003cp\u003eCheck block threads, fastener engagement and cylinder-head clearance during trial assembly. Follow the instructions for this exact part number, including lubricant locations, washer orientation and tightening sequence. Washer seating and lubrication requirements vary by kit.\u003c\/p\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":68119336943866,"sku":"ARP234-4307","price":272.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/f56731a448ab814578dd5f010efdb3feL.jpg?v=1794039498","url":"https:\/\/lgcracing.com\/products\/arp-sb-chevy-18a-standard-head-stud-kit","provider":"Legacy Racing","version":"1.0","type":"link"}