OptiTorque Cylinder Head Stud Kit - TorqueMaster Series - 12 Point Nuts - Chromoly - Black Oxide w/ BMW 4-Cylinder MPD69056 Testing has shown an average

Testing has shown an average 30-horsepower gain between 5

3/4 in Shaft

300" taller Solid Roller Lifters from COMP Cams are engineered to withstand the demands of aggressive cam lobe designs and increased RPM ranges

Molydenum and Tungsten Teflon(R) Inserts to Prevent Inner Leaf Friction

Features around an 1800-2000 Stall

OptiTorque Cylinder Head Stud Kit - TorqueMaster Series - 12 Point Nuts - Chromoly - Black Oxide w/ BMW 4-Cylinder MPD69056 Testing has shown an averageProduct Description: Cylinder Head Stud Kit TorqueMaster Series 12 Point Nuts Chromoly Black Oxide BMW 4 Cylinder 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.