{"product_id":"edelbrock-pontiac-head-bolt-kit-1","title":"Edelbrock Pontiac Head Bolt Kit - 8556","description":"Edelbrock Pontiac Head Bolt Kit - 8556\u003cbr\u003e\u003cbr\u003eEdelbrock #8556 is a Head Bolt Kit for 1961-79 Pontiac 326-455 Engines with #60575, 60579, 60595, 60599, 61515, 61519, 61525, 61529, 60509, 60569, 60587, \u0026amp;amp\u003cbr\u003e 60589 Edelbrock Cylinder Heads Manufactured before 3\/15\/02. Not for Stock Heads\u003cbr\u003e\u003cbr\u003eEdelbrock products offer improved performance and aesthetics for a broad array of vehicles and engines. 'Proven performance' is the philosophy by which Edelbrock was founded and it continues to this day with the highest standards for performance and quality. Edelbrock core products are engineered, manufactured, and tested in the USA to ensure the best quality possible. This is further backed by some of the best warranties in the industry and a highly qualified technical support staff.\u003cbr\u003e\u003cbr\u003eThe Edelbrock #8556 bolt kit contain a complete set of the highest quality head bolts and hardened washers available. Cold-formed to ensure molecular integrity and heat treated prior to thread rolling and machining. Reduced diameter bolt heads eliminate the need for valve train removal to facilitate cylinder head re-torqueing. Hardened and parallel-ground washers are included. Rated at 170,000 p.s.i.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eList 1\u003c\/b\u003e\u003cbr\u003e\u003cb\u003ePRODUCT NOTES:\u003c\/b\u003e\u003cbr\u003eFinish - Black Oxide\u003cbr\u003eGrade Type - Performance\u003cbr\u003eHead Drive Type - Hex\u003cbr\u003eLength - (4) 2.25 in, (4) 4.15 in, (2) 4.25 in, (2) 3.75 in, (4) 4.00 in, (4) 3.00\u003cbr\u003eMaterial - Chromoly\u003cbr\u003eMinimum Length - 2.25\u003cbr\u003eQuantity - Kit\u003cbr\u003eRGL - WARNING: This product can expose you to Chromium, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.\u003cbr\u003eThread Diameter - 0.50\u003cbr\u003eThread Type - Coarse\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eLethal Performance is proud to offer the entire line of  products!\u003cbr\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":47942002868482,"sku":"EDE8556","price":173.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/8556.jpg?v=1784978492","url":"https:\/\/www.lethalperformance.com\/products\/edelbrock-pontiac-head-bolt-kit-1","provider":"Lethal Performance","version":"1.0","type":"link"}