INL13373 – 1968-74 Pontiac (all Round Port Models) GTO, Lemans, Tempest, Firebird – V8 O-port head bolt, Correct Head Marking and stud marking on the bottom end of the bolt. Torque spec 95-100 LB. Factory Correct With head Markings. 20 pc Brand New – These come with all the correct bolts and correct head markings, They have all the correct lengths, the flat head bolts and the stud bolts- These fit all pontiac Round o Port Heads from 68-74. Including 68 Ram Air II, 69-70 Ram Air IV and 71-72 HO and 73-74 SD 455. This is a Round Port Head Parts Only These new bolts fit 68 69 70 71 72 73 74 Pontiac round port heads including 1968 Ram Air II heads casting # 96; Ram Air IV # 722 & 614; HO 455 # 197 & 7F6 and 1973-74 Super Duty #16 heads. Paperwork Decals & Stencils. Add to Favorite Sellers. Sign up to Newsletter. 1968-74 Pontiac Factory O Round Port Cylinder Head Bolts Bolt Ram Air IV 4 HO SD. INL13373 – 1968-74 Pontiac (all Round Port Models) GTO, Lemans, Tempest, Firebird – V8 O-port head bolt. Correct Head Marking and stud marking on the bottom end of the bolt. Brand New – These come with all the correct bolts and correct head markings, They have all the correct lengths, the flat head bolts and the stud bolts- These fit all pontiac Round o Port Heads from 68-74. This is a Round Port Head Parts Only. These new bolts fit 68 69 70 71 72 73 74 Pontiac round port heads including 1968 Ram Air II heads casting # 96; Ram Air IV # 722 & 614; HO 455 # 197 & 7F6 and 1973-74 Super Duty #16 heads. Produced like NOS – same head markings. Black phosphate coated like GM replacements. This is an inline tube exclusive – Produced like NOS – same head markings. The marking is the letter on the end of the bolt thread and the circle head marking as pictured. We have looked at many bolts and this marking is always the same on the Round Port Head Bolts – we have never seen a CP (California Products) marking on these bolts. There was only one maker of these bolts they all have the same head markings and we found this maker to make the bolts for us only. These bolts feature the exact phosphate finish exceeding the factory tensile strength so they can be torqued to 100 lbs instead 95 lbs. They are grade 8 strength. To install simply dip in standard 10-w30 oil and tighten. These are the details that separate the first place cars from the rest. Many more Products in our. An Inline Tube Exclusive – Our customers get the best factory-correct parts on the market all identical to the factory originals. Don’t settle for the other guys’ cheap “replacement” parts. Only one company manufactures exact to the factory originals – Inline Tube. Our sets come complete with all the installation instructions. It is the way it should be – correct and complete. We manufacture all the parts that will be needed to reproduce your classic car or truck parts with exact detail. Inline Tube makes thousands of cables, lines, hoses, valves and other parts. If you do not see your listing, please call our sales desk at. WARNING: This product may expose you to chemicals which are known to the state of California to cause cancer, birth defects, or other reproductive harm. For more information visit: p65warnings. Ca. Motorcity Muscle Car offers a variety of products for all classic cars and trucks ranging from. Countless hours and immense research has been spent to ensure that our products are 100% authentic in appearance, application and fit. Located in the heart of “Motor City” Detroit where automobiles are not just transportation, but a way of life! Our staff consists of highly trained sales personal, technical service representatives and mechanical engineers to ensure your receive the best service, the correct information and the highest quality parts on the market. Let us be the source for all of your factory correct muscle car part needs! This means we will not accept a part used on a car, greasy, damaged, bent or without the original box. Resalable means in the same condition as you received it in. Please include pictures of the damaged product AND package in your message. Damages MUST be reported WITHIN 48 HOURS of receipt of the order. Shortages or Incorrect Orders. Count and confirm all items in sealed bags BEFORE opening that bag. Shortages or other issues must be reported WITHIN 48 HOURS of receipt of the order. Motorcity Muscle Car Terms & Conditions. Without limiting the foregoing, Motorcity Muscle Car shall in no way be liable for loss of use or profit, or for other collateral, special or consequential damages. All content on Motorcity Muscle Car storefront designs and listing pages are copyrighted. No part of this strefront or the listings contained within may be reproduced including text, pictures or layout without written permission from Motorcity Muscle Car. At Motorcity Muscle Car, it is important to us to protect the privacy of your personal information. Motorcity Muscle Car does not share or profit from any of your personal data. View more great items. 1964-72 All Gm Rochester 4 Bbl Carburetor Carb Primary Flap Door Gm Part 45665. 1966-67 Pontiac Gto Lemans Tempest Firebird Crankcase Vent Molded Hose V8 Engine. 1967 Pontiac Gto Ram Air Ho Hood Pan Carburetor Air Cleaner Filter Base 65-66 5. This listing is currently undergoing maintenance, we apologise for any inconvenience caused.