{"product_id":"arp-190-3608-pontiac-1964-earlier-326-421cid-w-d-port-head-bolt-kit","title":"ARP 190-3608 Pontiac 1964 \u0026 Earlier 326-421CID w\/ D-Port Head Bolt Kit","description":"These ARP High Performance series head bolt kits are tough! They are rated at 170,000 psi--15 percent stronger than Grade 8 fasteners. They come available with hex heads or reduced wrenching 12-point heads that eliminate the need for valvetrain removal when re-torquing cylinder heads.\u003cbr\u003e\u003cbr\u003e","brand":"ARP Fasteners","offers":[{"title":"Default Title","offer_id":44661605040439,"sku":"ARP190-3608","price":261.85,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/9364\/1015\/files\/39681.jpg?v=1780439676","url":"https:\/\/enginemaster.com.au\/products\/arp-190-3608-pontiac-1964-earlier-326-421cid-w-d-port-head-bolt-kit","provider":"Engine Master","version":"1.0","type":"link"}