Mr. Gasket Headlock Locking Header Bolts – 3/8-16 x 3/4 Inch – Set of 12

MRG-2230G Mr. Gasket Headlock Locking Header Bolts – 3/8-16 x 3/4 Inch – Set of 12

Fits AMC 290-401. Chevrolet Small Block 262-400, Chrysler Big Block 383-440 Wedge Engines, Pontiac 326-455, and Oldsmobile 330-455

Features:

• Includes a ball-head/hex-key socket-installation tool that makes it easy to get them started
• 410 stainless steel
• Minimum 180,000 PSI tensile strength
• 12 per Package
• 24 equally spaced clockwise teeth

Product Video – YouTube

Headlock™ Bolts eliminate the need for lock washers, Period. That’s because each Headlock™ Bolt features 24 equally-spaced, stainless steel teeth serrations that bite into and hold onto the attaching surface-eliminating the need for lock-washers.

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