{"product_id":"arp-sb-chevy-v8-w-18a-hi-port-12pt-undercut-head-bolt-kit","title":"ARP Head Bolt Kit - Chevrolet Small Block V8 | 12-Point Head, Undercut, with 18-Degree hi-port","description":"\u003cp\u003eThe ARP 234-3720 head bolt kit is listed for Chevrolet Small Block V8. 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: 234-3720\u003c\/li\u003e\n\u003cli\u003eApplication\/configuration: Chevrolet Small Block V8\u003c\/li\u003e\n\u003cli\u003eSpecified configuration: 12-Point, Undercut, with 18A hi-port\u003c\/li\u003e\n\u003c\/ul\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. Pay particular attention to the stated 12-Point, Undercut, with 18A hi-port configuration.\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":68119331733754,"sku":"ARP234-3720","price":298.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/22bb9b2a386baf3fe05cf04f9dbf0b69L.jpg?v=1794039473","url":"https:\/\/lgcracing.com\/products\/arp-sb-chevy-v8-w-18a-hi-port-12pt-undercut-head-bolt-kit","provider":"Legacy Racing","version":"1.0","type":"link"}