New Valve Guides--willys 1933-1934-1935-1936-1937-1938-1939-1941-1946-1947-1948 on 2040-parts.com

The AW list: 10 best cars to modify

For many, a car right off the showroom floor just isn’t good enough. Luckily, there’s the aftermarket to help cars make more power, handle better and (sometimes) look better. Below are AW’s picks for the 10 best new cars to modify.

Porsche race cars gather at Quail Lodge: Video

In contrast to the Rennsport Reunion's raucous goings on at Mazda Raceway Laguna Seca, the Race Car Classic at the Quail Lodge took a more serene approach in presenting the first few decades of Porsche racing. It was almost too serene, as the field of roughly 200 cars draped in loose silk car covers that greeted the crowd gave the impression of burying Porsches, not praising them. But things perked up with a group unveiling that revealed an outstanding collection of rare and unique racers, including many from the Porsche Museum and the Collier collection.

Lotus announces partnership with Mansory

Group Lotus has announced its new collaboration with Mansory, which will become its official customization studio. The German tuner will be contributing bodywork, trim and special finishes for the Elise, Exige and Evora in yet another controversial strategic decision for the UK company. Lotus confirmed the first fruits of this new partnership will be the unveiling a new model variant at September's Paris motor show, two years after the highly ambitious announcement of five new models of which the first is yet to become reality.