For many builds, LS performance parts for sale make sense when the project goals are clear, since defining whether power or reliability comes first helps avoid unnecessary purchases.

As the first of the rectangle-port cylinder heads that subsequently came through the years (i.e. LS3, L92), the LS7 cylinder head still reigns supreme as the best-flowing two-valve production ...

Back in 2004, GM Performance Parts shipped us a complete LS1 to evaluate. Looking back, we really threw the hammer at this one. We tested every off-the-shelf cam, manifolds and cylinder heads, ...

There has been a movement within our hobby over the last several years to update vintage iron with an eye toward modern-day performance, reliability and, most importantly, drivability. Call it Pro ...

For decades, car enthusiasts have debated which engine truly deserves legendary status. BMW loyalists swear by the inline-six for its refinement and balance, exemplified by models like the E46 330i ...