In 1978, Pontiac rolled out the WS6 Special Performance Package for the Trans Am (and Formula), which, for an extra $324, got you a thicker rear sway bar and larger 15-by-8-inch gold tone ...

Two smaller snowflakes dropped in 1978. The 14-by-7-inch could be slapped onto the Grand Prix, Grand Am and Le Mans, while a four-lug 13-inch version could be gotten on the more budget-friendly ...

Read along as we uncover the evolution of the Pontiac Grand Prix between ... 1975The '75 model year proved to be another ... including the Grand Prix-was the 15-inch cast-aluminum Snowflake wheel.

These included some of the Trans Am, LeMans, GTO, Grand Prix, and Firebird offerings of the time. The honeycomb wheels remained a constant for Pontiac for a few years after, but by the end of 1976 ...