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PROFORM Wedge-Locking Header Bolts M8 Thread Diameter -.984 Long (Set of 12)
PROFORM Wedge-Locking Header Bolts M8 Thread Diameter -.984 Long (Set of 12) PROFORM Wedge-Locking Header Bolts M8 Thread Diameter -.984 Long (Set of 12)

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66754 - PROFORM Wedge-Locking Header Bolts M8 Thread Diameter -.984" Long (Set of 12)

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 #: 66754

Arriving Soon!

MSRP: $32.99 set
Classic: $29.99 set


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

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