Aftermarket head studs are vital for high-performance engines with high compression or turbochargers, both of which experience extremely high internal cylinder ...

Instream traction easily improved by installing metal studs. Disadvantage: Not as sticky as felt on wet or slimy rocks. Local journalism is essential.

Last month, VDOT announced it would install metal studs on the grid deck to improve traction for drivers, even though it said its initial tests on the structure were inconclusive.