Spohn Performance 972 Features:

Don't use your old rusty mounting bolts when installing a factory or aftermarket (see note below) front k-member crossmember in your 1982-1992 GM F-Body Camaro and Firebird.Our front k-member crossmember mounting hardware kit includes:(4) 12mm Grade 10.9 bolts (zinc plated)(4) Extra thick flat washers (zinc plated)(2) 12mm Grade 10.9 flanged head bolts (zinc plated)Fitment Note: This mounting hardware kit will NOT work with a Spohn Performance SKU 703 tubular front k-member. Our tubular front k-members include the required mounting hardware (that is shorter than stock). This k-member hardware kit is for mounting a factory k-member and/or aftermarket k-members that mount using the factory (length) mounting hardware.

• (4) 12 mm Grade 10.9 bolts (zinc plated)
• (4) Extra thick flat washers (zinc plated)
• (2) 12 mm Grade 10.9 flanged head bolts (zinc plated)
• 12 mm Bolt Finish: Zinc Plated
• 12 mm Bolt Grade: 10.9
• 12 mm Bolt Hex Size: 19 mm
• 12 mm Bolt Quantity: Four (4)
• 12 mm Bolt Type: Hex Head
• 12 mm Flanged Head Bolt Finish: Zinc Plated
• 12 mm Flanged Head Bolt Grade: 10.9
• 12 mm Flanged Head Bolt Hex Size: 16 mm
• 12 mm Flanged Head Bolt Quantity: Two (2)
• 12 mm Flanged Head Bolt Type: Flanged Hex Head
• 12 mm Flanged Head Thread Pitch: 1.75 mm
• 12 mm Thread Pitch: 1.75 mm
• 12 mm Washer Finish: Zinc Plated
• 12 mm Washer Grade: 10.9 (Extra Thick)
• 12 mm Washer Quantity: Four (4)
• 12 mm Washer Type: Flat