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Pontiac D Port Head Bolt Kit

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$151.93
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SKU
8561
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Details

The Edelbrock #8561 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.

Specs

Availability Available
Thread Type Coarse
Thread Diameter 0.437 in
Minimum Length 2.250 in
Color Black Oxide
Application Application Specific
UPC 00085347085613
Availability Note Available to Order
Warranty 12 Months
Hazardous Materials Warning WARNING: This product can expose you to Chrome, 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.
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).
Head Drive Type Hex
Length 4.250 in
Material Chromoly