Coleman Harmonic Balancer - SB Chevy - 8" - Aluminum - Crate Motor AK113112B Big GM inlet thread is

Big GM inlet thread is 7/16"-20

8 AN Female to 7/8-20 in Male

combined with the highest strength-to-weight ratio of any metal

For 90 Degree Kit

Ultra Low Pressure

Coleman Harmonic Balancer - SB Chevy - 8" - Aluminum - Crate Motor AK113112B Big GM inlet thread isThese lightweight harmonic balancers are made from billet aluminum. They reduce rotating weight, lower the moment of inertia for quicker acceleration and increase horsepower. They feature a steel outer sleeve that a magnet will stick to. They are available for Chevy and Ford crate motors. Coleman Racing Product is a leading supplier of quality innovative circle track racing components. Product Description: Harmonic Balancer 8. 000 in OD Aluminum Steel