Well known cylinder head specialist Nathan Higgins of Higgins Race Developments uncovered. HRD was the first Australian company to manufacture a 6-bolt LS cylinder head and in more recent times are now …
170mph on IRS | Nitrous LSX Holden
Tim’s VX Commodore has long been one of the quickest IRS suspension cars in Australia. Built by TJH Performance, the dry sump LSX features forged internals as well as Australian made Higgins …