63-79 Differential Mount Bolts

Item Number: BL-404
  This item is proudly Made in the USA!
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$4.99
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  • Original style 1963-1979 Corvette differential mount bolts - attaches the differential cover to the frame crossmember. Grade 5 bolts with original style headmarkings. Set of 4. Car set.

    Customer Reviews

    Not the right grade of bolt

    Review by 75 vette Reviewed on 7/2/2015

    Also these should be GRADE 8 bolts like the original ones. Yes the original ones are grade 8 as per parts book and what I have on my original 75 Vette.

    The correct bolts are grade 5 bolts

    Reply by Chris Seedle Replied on 7/22/2015

    What you purcused should be grade 5 bolts. There is no indication in any of the parts books that these were grade 8. We have pulled an original bolt off here: on the head of the bolt, it has a circle and 3 lines, this also indicates grade 5. Please send a photo of your bolt here so we may review.

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