{"product_id":"arp-154-4004-arp-head-stud-kit-suit-sb-ford-351c-with-chi-3v-heads","title":"ARP 154-4004 Pro-Series Head Stud Kit | Hex Head | Ford Small Block 351 Cleveland 351-400M | CHI 3V Raised Exhaust Heads","description":"\u003ch2\u003eARP 154-4004 Pro-Series Head Stud Kit — Ford 351 Cleveland with CHI 3V Heads\u003c\/h2\u003e\u003cp\u003eFactory head bolts stretch, lose clamping force, and can't be reliably reused. ARP's \u003cstrong\u003ePro-Series head studs\u003c\/strong\u003e are the benchmark upgrade for any serious 351 Cleveland build — providing superior, consistent clamping load across the entire head gasket surface for a seal that holds under sustained high-cylinder-pressure conditions.\u003c\/p\u003e\u003cp\u003eThis kit is specifically engineered for \u003cstrong\u003eSmall Block Ford 351 Cleveland and 351–400M engines\u003c\/strong\u003e fitted with \u003cstrong\u003eCHI 3V cylinder heads (raised exhaust port version)\u003c\/strong\u003e. The hex head design allows straightforward installation and removal without specialist tooling.\u003c\/p\u003e\u003cdiv style=\"background:#fff3cd;border-left:4px solid #f0ad4e;padding:12px 16px;margin:16px 0;\"\u003e\n\u003cstrong\u003e⚠️ Important Fitment Notes\u003c\/strong\u003e\u003cul style=\"margin:8px 0 0;\"\u003e\n\u003cli\u003eThis kit suits the \u003cstrong\u003eraised exhaust port\u003c\/strong\u003e CHI 3V head version only. For standard exhaust port heads, use \u003cstrong\u003eARP-154-4204\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot compatible with Ford \"Boss\" blocks\u003c\/strong\u003e — bolt holes are recessed into the deck surface on Boss blocks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eARP Pro-Series construction for maximum tensile strength and fatigue resistance\u003c\/li\u003e\n\u003cli\u003eHex head design for easy installation with standard tooling\u003c\/li\u003e\n\u003cli\u003eSuperior clamping load vs OEM head bolts\u003c\/li\u003e\n\u003cli\u003eReusable — studs maintain integrity across multiple assemblies\u003c\/li\u003e\n\u003cli\u003eComplete kit with all necessary hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart Number: ARP-154-4004\u003c\/li\u003e\n\u003cli\u003eSeries: Pro-Series\u003c\/li\u003e\n\u003cli\u003eHead Style: Hex\u003c\/li\u003e\n\u003cli\u003eApplication: Ford Small Block 351 Cleveland, 351–400M\u003c\/li\u003e\n\u003cli\u003eHead Compatibility: CHI 3V — Raised Exhaust Port Version\u003c\/li\u003e\n\u003cli\u003eKit Number: 154-CHI3V\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SS Racetech Rods \u0026 Customs","offers":[{"title":"Default Title","offer_id":51096925995325,"sku":"ARP-154-4004","price":392.1,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0508\/8011\/8978\/files\/154-4204_540x_11aa2e0e-ec31-41e0-87be-dd19dcb749b6.webp?v=1765338213","url":"https:\/\/racereadygear.com.au\/products\/arp-154-4004-arp-head-stud-kit-suit-sb-ford-351c-with-chi-3v-heads","provider":"SS Racetech Rods \u0026 Customs","version":"1.0","type":"link"}