![High-Strength Head Bolt Kit for Big Block Chevy w/Bowtie, Dart, Merlin, Pro Top, World Product's Cylinder Heads [12-Point Head]](https://www.jegs.com/images/mini_750/500/555/555-83529.jpg)
JEGSPART NUMBER: 555-83529
High-Strength Head Bolt Kit for Big Block Chevy w/Bowtie, Dart, Merlin, Pro Top, World Product's Cylinder Heads [12-Point Head]
$12199$134.99You Save$13.00
2 left in stockBig Block Chevy
High-Strength Head Bolt KitBig Block Chevy w/Bowtie, Dart, Merlin, Pro Top, World Products Cylinder Heads 12-Point Head Chromoly Black Oxide Sold as a Kit
JEGS 555-83529 High-Strength Head Bolts Includes:
- (8) 7/16 in.-14 x 5.182 in. UHL (Under Head Length) w/12-point head
- (16) 7/16 in.-14 x 4.198 in. UHL (Under Head Length) w/12-point head
- (8) 7/16 in.-14 x 2.090 in. UHL (Under Head Length) w/12-point head
- (32) 7/16 in. I.D. Heat Treated Washers with Internal Bevel
- (1) Anti-Seize Thread Lubricant
JEGS 555-83529 High-Strength Head Bolts Features:
- Fits Big Block Chevy engines including 396, 402, 727, 454 and others based on the popular platform
- The perfect upgrade when replacing head bolts
- Specifications: 7/16-14 thread w/12-point head
- Wrench Size: 1/2 in.
- 190,000 psi yield strength chromoly alloy steel, which is approximately 15% stronger than Grade 8
JEGS 555-83529 High-Strength Head Bolts Note:
- These bolts are re-usable (not Torque-To-Yield)
Part TypeCylinder Head Bolts and Studs
BrandJEGS
Package Height5.2
Package Width5.25
Package Length6.85
Weight6.03 PG
Part CategoryPerformance Parts
Washers IncludedYes
Fastener Nut Style12-point
Fastener Yield Strength (Psi)190,000 psi
QuantitySold as a kit
Fastener StyleBolt
Fastener FinishBlack oxide
Part FitmentSemi Universal
Fastener MaterialChromoly
Head Style12-Point
Engine Make/SizeBig Block Chevy
Washer StyleFlat
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
ITEM YOU MAY ALSO CONSIDER
Some parts are not legal for use in California or other states with similar laws / regulations








![Spray Bottle with Sprayer, 32 OZ [Empty Bottle]](https://www.jegs.com/images/mini_200/500/538/538-m9911.jpg)
![Penetrating Oil [11 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/600/639/639-11043.jpg)
![Brake and Parts Cleaner [14 oz. Aerosol Can]](https://www.jegs.com/images/mini_200/500/555/555-72312.jpg)

![Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]](https://www.jegs.com/images/mini_200/500/555/555-28035.jpg)


![3-Ton Aluminum Floor Jack [6,000 lbs. Capacity]](https://www.jegs.com/images/mini_200/500/555/555-80077.jpg)
![Wheel Chock [Solid Rubber]](https://www.jegs.com/images/mini_200/500/555/555-w41001.jpg)

![Self-Powered Timing Light [Powered by (2) D-Cell Batteries]](https://www.jegs.com/images/mini_200/500/555/555-w80578.jpg)
![Round Magnetic Parts Tray [5 1/2 in. Round]](https://www.jegs.com/images/mini_200/500/555/555-80080.jpg)
![Socket Set,1/4 in., 3/8 in. & 1/2 in. Drives [SAE/Metric 85-Piece]](https://www.jegs.com/images/mini_200/500/555/555-w1183.jpg)
![1/2 in. Drive Torque Wrench [10 to 150 ft. lbs.]](https://www.jegs.com/images/mini_200/500/555/555-m200db.jpg)
![Breaker Bar [1/2 in. Drive, 30 in. L]](https://www.jegs.com/images/mini_200/500/555/555-w32126.jpg)
![Deep Well Impact Socket Set, 1/2 in. Drive [SAE 11-Piece]](https://www.jegs.com/images/mini_200/500/555/555-m590db.jpg)
![Deep Well Socket Set, 1/2 in. Drive [SAE 8-Piece]](https://www.jegs.com/images/mini_200/500/555/555-w32600.jpg)





