Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

BMW X3 gets a turbo four-cylinder

BMW is expanding the use of its N20 turbocharged four-cylinder engine by making it the base powerplant for the 2013 X3 SUV. The X3 xDrive28 will use the twin-scroll turbocharged 2.0-liter engine that produces 240 hp and 260 lb-ft of torque. Twin-scroll turbocharging means that the exhaust stream of cylinders one and four follow a separate path to the turbine wheel from cylinders two and three.

Infiniti prices 2014 QX60 and QX70

Infiniti said last Friday that the 2014 QX70 SUV -- formerly known as the FX -- will start at $45,945, including destination. The 2014 QX60, formerly the JX, will sticker for $42,545. The QX70 comes in both rear-wheel and all-wheel-drive setups, with either a 325-hp, 3.7-liter V6 or a 390-hp 5.0-liter V8.

Muscle-car icons immortalized in new postal-stamp set

Perhaps sensing that it's at risk of going the way of the carbureted big-block and leaded gasoline, the United States Postal Service is apparently willing to try anything to boost its bottom line. Though we're sure its recently announced line of postal worker-inspired apparel will be a runaway (and runway) success, we're glad to see the USPS reaching out to the automotive-enthusiast community with a new set of limited-edition stamps that commemorate the American muscle car. We told you about the stamps earlier this year, but we can now confirm the lineup.