The Edelbrock #8556 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.
Specifications:
| Description_ABR |
HeadBlotKit |
| Description_ASM |
Pontiac:-:326 (5.3L)-455 (7.5L) |
| Description_DEF |
Engine Cylinder Head Bolt Set |
| Description_EXT |
Edelbrock #8556 is a Head Bolt Kit for 1961-79 Pontiac 326-455 Engines with #60575, 60579, 60595, 60599, 61515, 61519, 61525, 61529, 60509, 60569, 60587, & 60589 Edelbrock Cylinder Heads Manufactured before 3/15/02. Not for Stock Heads |
| Description_MKT |
The Edelbrock #8556 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. |
| Description_LAB |
Pontiac Head Bolt Kit |
| Description_INV |
Pontiac Head Bolt Kit |
| Description_TRA |
The Edelbrock #8556 is made specifically for Pontiac V8 |
| Description_TRA |
Installation is the same as for original equipment cylinder heads. Consult service manual for specific procedures, if necessary. |
| Description_TRA |
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. |
| Description_TRA |
This gasket set includes all necessary gaskets for cylinder head installation, including cylinder head, intake, exhaust, water neck and valve cover gaskets. |
| Description_TRA |
Be sure that the surface of the block and the surface of the head are thoroughly cleaned to remove any oily film before installation. |
| Description_TRA |
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. |
| Description_TRA |
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 |
| Length |
(4) 2.25 in, (4) 4.15 in, (2) 4.25 in, (2) 3.75 in, (4) 4.00 in, (4) 3.00 |
| Quantity |
Kit |
| Minimum Length |
2.25 |
| Head Drive Type |
Hex |
| Material |
Chromoly |
| Grade Type |
Performance |
| Washers Included |
Yes |
| Thread Type |
Coarse |
| Thread Diameter |
0.50 |
| RGL |
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 www.P65warnings.ca.gov. |
| Length |
3.0000 |
| Width |
5.0000 |
| Height |
9.0000 |
| Weight |
5.0000 |
