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PROFORM Wedge-Locking Header Bolts 3/8-16 Thread Diameter - 3/4 Long (Set of 16)
PROFORM Wedge-Locking Header Bolts 3/8-16 Thread Diameter - 3/4 Long (Set of 16) PROFORM Wedge-Locking Header Bolts 3/8-16 Thread Diameter - 3/4 Long (Set of 16) PROFORM Wedge-Locking Header Bolts 3/8-16 Thread Diameter - 3/4 Long (Set of 16) PROFORM Wedge-Locking Header Bolts 3/8-16 Thread Diameter - 3/4 Long (Set of 16)

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66752 - PROFORM Wedge-Locking Header Bolts 3/8"-16 Thread Diameter - 3/4" Long (Set of 16)

PROFORM Grade 8 (12.9 steel) header bolts are designed to keep bolts from backing off. These permanently assembled bolts feature special washers with super-hardened serrated teeth that, when sufficiently torqued, the washers bite into and grab the bottom of the bolt head and the top surface of the header. After being self-locked in this manner, any bolt-loosening rotation is blocked by a wedge-locking action created by the washers interfacing, matching cams. Engine vibration increases the tension, making them even more secure! They are …

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Product #: 66752

In Stock Now!

MSRP: $38.99 set
Classic: $34.99 set


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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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