Ford 429-460 Head Bolt Kit

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Edelbrock #8566 Head Bolt Kit for 1968-87 B/B Ford 429/460 with 60665, 60669, 60675, 60679, 61645, 61649, 61669, 60687, 60689, 60697, 60699, 61657, 61659 Performer RPM & Victor Cylinder Heads. Can also be used on 1968-87 Stock Ford Heads.
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About Edelbrock


The Edelbrock #8566 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.



Manufacturer Edelbrock
Application Application Specific
UPC 00085347085668
Quantity Kit
Thread Type Coarse
Thread Diameter 0.5625 in
Minimum Length 4.50 in
Color Black Oxide
Availability Note Available to Order
Warranty 12 Months
Hazardous Materials Warning 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
Installation Notes
  • The Edelbrock #8566 is made specifically for big block Ford V8; Use Edelbrock #7314 or Fel-Pro #1018 head gasket or equivalent. NOTE: For Performer RPM 460 (Non-CJ) heads, Edelbrock Cylinder Head Gasket Set #7365 may also be used. This set includes all gaskets necessary for installation of Edelbrock cylinder heads; including intake, exhaust, cylinder head, water neck and valve cover gaskets.; Follow the installation instructions for the head gasket. Be sure that the surface of the block and the surface of the cylinder head is thoroughly cleaned to remove any oily film before installation. Use alcohol or lacquer thinner on a lint-free rag to clean.; Apply engine oil to the head bolt threads, washer, and bolt where it contacts the washer. The head bolt washers should be checked that they seat properly on the bolt under head, and not on the head bolt under head radius.; Torque the head bolt 135 ft./lbs. in four steps following the factory tightening sequence. A re-torque is recommended after initial start-up and cool-down (allow 2-3 hours for adequate cooling). Install the intake manifold bolts lubricated with engine oil not exceeding 25 ft-lbs of torque when tightening. It is also good practice to lubricate the exhaust manifold/headers bolt threads with a small amount of anti-seize paste. Spark plugs should also be tightened to a maximum of 10 ft-lbs of torque with the sparkplug thread lubricated with a small amount of anti-seize paste.
Finish Black Oxide
Head Drive Type Hex
Length (10) 4.50 in, (10) 5.19 in
Material Chromoly