OptiTorque Patriot Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Small Block Chevy NMO-MT-15 Testing resulted in a peak

Testing resulted in a peak of 507 horsepower and 487 ft-lbs

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For use with Power Grid

1973-1975 Buick Apollo

Prolongs cable and rope life

OptiTorque Patriot Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - Small Block Chevy NMO-MT-15 Testing resulted in a peakProduct Description: Cylinder Head Stud Kit Patriot Series 12 Point Nuts Chromoly Black Oxide Small Block Chevy OptiTorque produces premium quality fasteners for a wide range of automotive applications. From stock rebuilds to hard core racing builds, OptiTorque fasteners are USA made and designed, featuring premium materials and designed to meet or exceed OEM specs.