The Aeroflow harmonic balancer bolt is designed to suit Ford 31 Cleveland and Holden V8 engines. Manufactured from aircraft quality 8740 high tensile strength chromoly steel and cold-forged to ensure molecular integrity within the stud. Meaning these are rated up to 190,000 psi making them stronger than Grade 8 and OEM fasteners. They feature a high hex head to prevent socket slippage while rotating the engine during assembly or routine service inspections. An extra thick ground washer is provided to allow for a more accurate, uniform torque.
Sold Individually.
Torque Setting: 110 ft. lbs. (149Nm)
Bolt
Thread size: 5/8"-18
Spanner Size: 5/8
Overall Length: 65.95mm
Under Head Length: 45.90mm
Head Diameter: 23.60mm
Shank Diameter: 9.30mm
Shank Length: 8mm
Washer
Washer Outside Diameter: 49.8mm
Washer Inside Diameter: 16.1mm
Washer Thickness: 7.05mm