Aeroflow Big Block Chev Harmonic Balancer Bolt 12 Point Head, 1/2-20" Thread (AF37-1407)
12 Point Head, 1/2-20" Thread
Aeroflow Big Block Chev Harmonic Balancer Bolt 12 Point Head, 1/2-20" Thread (AF37-1407) is not in stock at Fast Lane Spares and will ship direct from supplier.
Description
Description
HARMONIC BALANCER BOLT CHEV
12 Point Head, 1/2-20" Thread
Part Number: AF37-1407
The Aeroflow harmonic balancer bolt is designed to suit Big Block Chev. 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.
Specifications:
Sold Individually.
Torque Setting : 110 ft. lbs (149Nm)
Bolt
Thread size : 1/2"-20
Spanner Size: 5/8
Overall Length: 59.90mm
Under Head Length: 39.40mm
Head Diameter: 23.50mm
Shank Diameter: 12.50mm
Shank Length: 5mm
Washer
Washer Outside Diameter: 50.1mm
Washer Inside Diameter: 12.95mm
Washer Thickness: 7.05mm
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