Big Block Chevrolet tubular head dowel, .638/.639 O.D. by 1/2". Packaged two per set. These hard to find dowel pins are precision machined then case hardened for accurate alignment in engine assembly.
Cylinder Head Dowel Pins - Big Block Chevy & GM LS - 2 Per Set
Part #: 4377- Length: 0.7"
- Width: 2.8"
- Height: 4.9"
- Emissions Code: 5
- Prop 65: No