Spohn Performance B6570-981 Features:

Don't use your old rusty mounting bolts when installing rear lower control arms on your 1965-1970 Chevrolet B-Body Impala, Caprice, Biscayne, Bel Air, etc. (if you managed to get the nuts off without breaking the bolts!).

This hardware kit is up to the task of handling the severe abuse that these large and heavy cars will throw at them, only the best Grade 8 and Grade 9 components go into our mounting hardware kit.

Our rear lower control arms mounting hardware kit includes:

(4) 5/8 in. Grade 8 bolts (zinc plated)

(4) 5/8 in. Grade 9 steel lock nuts (zinc plated)

(8) 5/8 in. Grade 8 flat washers (zinc plated)

• (4) 5/8 in. Grade 8 bolts (zinc plated)
• (4) 5/8 in. Grade 9 steel lock nuts (zinc plated)
• (8) 5/8 in. Grade 8 flat washers (zinc plated)
• Thread Type: Coarse
• Bolt Grade: 8
• Bolt Finish: Zinc Plated
• Bolt Hex Size: 15/16
• Bolt Quantity: Four (4)
• Bolt Type: Hex Head
• Nut Finish: Zinc Plated
• Nut Grade: 9
• Nut Hex Size: 15/16
• Nut Quantity: Four (4)
• Nut Type: Steel Top Lock
• Thread Size: 5/8-11
• Washer Finish: Zinc Plated
• Washer Grade: 8
• Washer Quantity: Eight (8)
• Washer Size: 5/8
• Washer Type: Flat