The Edelbrock #8591 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 |
Chrysler:Big-Block B-Series:383 (6.3L)/400 (6.6L) |
| Description_ASM |
Chrysler:Big-Block RB-Series:413 (6.8L)/426 (7.0L)/440 (7.2L) |
| Description_DEF |
Engine Cylinder Head Bolt Set |
| Description_EXT |
Edelbrock #8591 is a Head Bolt Kit for Big-Block Chrysler Engines with Edelbrock 60185, 60189, 60825, 60839, 60917, 60919, 60925, 60929 and 60149 Performer & RPM Cylinder Heads. This kit contains a complete set of Head Bolts & Washers. |
| Description_MKT |
The Edelbrock #8591 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 |
Big-Block Chrysler Head Bolt Kit |
| Description_INV |
Big Block Chrysler Head Bolt Kit |
| Description_TRA |
The Edelbrock #8591 is made specifically for big block Chrysler |
| Description_TRA |
Installation is the same as for original equipment cylinder heads. Consult service manual for specific procedures, if necessary. |
| 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. Apply oil or suitable thread lubricant to head bolt threads and the underside of bolt heads and washers. |
| Description_TRA |
Torque to 70 ft./lbs. in three steps (40, 55, 70) following the factory tightening sequence. |
| Description_TRA |
Apply a continuous 1/8" bead of automotive RTV silicone sealer to end sealing surfaces on block and along bottom of intake ports on cylinder head. Also, apply a thin bead of sealer around intake ports on cylinder head and gasket. |
| Description_TRA |
Position intake gasket thin valley cover in place and tighten bolts down. Then, place intake manifold in position and torque manifold bolts to 25 ft. lbs. |
| Description_TRA |
Rocker shaft hold-down studs, nuts and washers, for 2 places marked (S) in each head, are supplied in this kit. |
| Description_TRA |
Double nut both studs and screw them in until they reach the bottom. Install rocker shaft, factory concave washer and hard washer supplied with this kit. |
| Description_TRA |
Apply 30W oil to fine threads and under nuts and washers and torque nuts to 25 ft./lbs. A head bolt re-torque is recommended after initial start-up and cool-down (allow 2-3 hours for adequate cooling). |
| Washers Included |
Yes |
| Thread Type |
Coarse |
| Thread Diameter |
0.4375 |
| 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. |
| Material |
Chromoly |
| Quantity |
Kit |
| Minimum Length |
1.75 |
| Finish |
Black Oxide |
| Head Drive Type |
Hex |
| Grade Type |
Performance |
| Length |
(24) 1.75 in, (10) 4.00 |
| Length |
2.0000 |
| Width |
5.0000 |
| Height |
9.0000 |
| Weight |
5.0000 |
