Edelbrock E-Series Cylinder Head Bolt Kit #85612 for Pontiac w/Edelbrock heads

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E-Series #85612 is a Head Bolt Kit for 1961-1979 Pontiac 326-455 Engines with Edelbrock 61569, 61579 and 61599 Performer D-Port Pontiac Cylinder Heads. Complete set of Head Bolts & Washers for a pair of heads.
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Edelbrock E-Series Cylinder Head Bolt Kit #85612 is designed for use on Pontiac engines with Edelbrock Performer #61569, #61579 and #61599 D-Port Cylinder Heads. This kit contains all the necessary parts to replace the factory head bolts. E-Series bolts have a yield tensile strength of 190,000 PSI for strong and reliable loading. 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.

Features and Benefits

  • For use with Performer D-Port heads for Pontiac; Yield tensile strength of 190,000 PSI; Heat treating with rolled threads for superior form and strength; black-oxide finish with sealer; Edelbrock “E” logo stamped on bolt heads


Availability Available
Application Application Specific
UPC 00085347856121
Quantity Kit
Thread Type Coarse
Thread Diameter 0.50 in
Minimum Length 2.25 in
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 #8561 is made specifically for Pontiac V8; Installation is the same as for original equipment cylinder heads. Consult service manual for specific procedures, if necessary.; For 389-455 engines, use Edelbrock #7381, Fel-Pro #1016 or equivalent head gaskets. NOTE: Edelbrock Cylinder Head Gasket Set #7382 may also be used.; This gasket set includes all necessary gaskets for cylinder head installation, including cylinder head, intake, exhaust, water neck and valve cover gaskets.; Be sure that the surface of the block and the surface of the head are thoroughly cleaned to remove any oily film before installation.; Use alcohol or lacquer thinner on a lint-free rag to clean. Coat threads, washers, and underside of bolt heads with motor oil for accurate torque readings.; Torque upper row of bolts to 105 ft. /lbs., torque lower row of bolts to 95 ft./lbs. in three even increments. Start in center and work out towards ends. A re-torque is recommended after initial start-up and cool-down (allow 2-3 hours for adequate cooling).
Finish Black Oxide
Head Drive Type Hex
Length (4) 2.25 in, (4) 3.00 in, (4) 3.75 in, (2) 4.00 in, (6) 4.25 in
Material Chromoly