JEGS 555-83524 High-Strength Head Bolt Kit Includes:

• (16) 7/16 in.-14 x 1.750 in. UHL (Under Head Length) w/12-point head
• (4) 7/16 in.-14 x 3.06 in. UHL (Under Head Length) w/12-point head
• (14) 7/16 in.-14 x 3.78 in. UHL (Under Head Length) w/12-point head
• (34) 7/16 in. I.D. Heat Treated Washers with Internal Bevel
• (1) Anti-Seize Thread Lubricant

JEGS 555-83524 High-Strength Head Bolt Kit Features:

• Fits Small Block Chevy engines including 283, 305, 307, 327, 350, 383 (stroker), 400, and others based on the popular platform
• The perfect upgrade when replacing stock 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 555-83524 High-Strength Head Bolts Note:

• These bolts are re-usable (not Torque-To-Yield)