OptiTorque TorqueMaster Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - GM LS-Series 10413 115000HST where the ALL23107 kit includes

where the ALL23107 kit includes two 66" long 90º and one 66" long 120º door braces

1973-1986 Chevrolet C20 Suburban

Installs With Distributors/Coil Packs/Coil-On-Plug

1/8 in NPT Female Gauge Port

Range Technology modules can help reduce engine wear

OptiTorque TorqueMaster Series Cylinder Head Stud Kit - 12 Point Nuts - Chromoly - GM LS-Series 10413 115000HST where the ALL23107 kit includesProduct Description: Cylinder Head Stud Kit TorqueMaster Series 12 Point Nuts Chromoly Black Oxide GM LS Series 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.