{"product_id":"edelbrock-85512","title":"Edelbrock 85512 - Chevy big-block engines E-Series Cylinder Head Bolt Kit","description":"\u003cp\u003eEdelbrock 85512 - Chevy big-block engines E-Series Cylinder Head Bolt Kit\u003c\/p\u003e\u003cp\u003eCylinder Head Bolt Kit - E-Series - Hex Head - Chromoly - Black Oxide - Big Block Chevy - Kit\u003c\/p\u003e\u003cp\u003eE-Series Head Bolt Kit #85512 is for 1965-90 Big-Block Chevrolet Mark IV and Mark V engines with Edelbrock 50459, 60459, 60479, 60499, 60559, 61459, 61559, 79539, \u0026amp; 79559 Performer \u0026amp; Pereformer RPM Cylinder Heads. Not for stock heads.\u003c\/p\u003e\u003cp\u003eEdelbrock E-Series Cylinder Head Bolt Kit #85512 is a high-quality replacement set of bolts with washers for use with Chevy big-block engines equipped with Performer and Performer RPM aluminum heads. This E-Series bolt kit can be used on all Mark IV and Mark V engine blocks. E-Series bolts have a yield tensile strength of 190,000 PSI for strong and reliable loading with generous filleting throughout to eliminate stress risers. Bolt threads are rolled after heat-treating for superior form and strength, while a small hex head provides extra space for socket clearance in tight situations. E-Series Cylinder Head Bolts have a durable black oxide finish with sealer and come with the distinctive Edelbrock E stamped into the head.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHighest Quality Head Bolts\u003c\/li\u003e\n\u003cli\u003eCold-Formed; Heat Treated\u003c\/li\u003e\n\u003cli\u003eEnsures Molecular Integrity\u003c\/li\u003e\n\u003cli\u003eReduced Diameter Bolt Heads\u003c\/li\u003e\n\u003cli\u003eHardened\/Parallel-Ground Washers Included\u003c\/li\u003e\n\u003cli\u003eRated At 170000 psi\u003c\/li\u003e\n\u003cli\u003eManufactured By ARP\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRGL\u003c\/strong\u003e: \u003cspan\u003eWARNING: 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.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eHead Drive Type\u003c\/strong\u003e: \u003cspan\u003eHex\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: \u003cspan\u003e8740 Chromoly\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eThread Type\u003c\/strong\u003e: \u003cspan\u003eCoarse\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eThread Diameter\u003c\/strong\u003e: \u003cspan\u003e0.4375\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMinimum Length\u003c\/strong\u003e: \u003cspan\u003e2.25\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWashers Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: \u003cspan\u003eBlack Oxide\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrade Type\u003c\/strong\u003e: \u003cspan\u003ePerformance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eQuantity\u003c\/strong\u003e: \u003cspan\u003eKit\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: \u003cspan\u003e(8) 2.25 in, (4) 3.75 in, (12) 4.25, (8) 5.25\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":47313037951114,"sku":"EDEL-85512","price":144.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_af71a4202cb9e8d3c6ef8e0f0d22d112l_normalized.jpg?v=1779261961","url":"https:\/\/www.onlyinstock.com\/products\/edelbrock-85512","provider":"Only In Stock","version":"1.0","type":"link"}