63mm Big Bore Cylinder Head For Gy6 150cc on 2040-parts.com

Roush debuts tuner kit for 2011 Ford Mustang

If the 412 hp from your 5.0-liter Mustang just isn't quite enough, Roush Performance Products has launched the ROUSHcharger tuner kit for your car, boosting output to 550 hp on pump gasoline with more than 470 lb-ft of torque. The kit (part number 421140) has a suggested retail price of $5,999 and is available now. The kit comes with a 90-millimeter pulley and generates an estimated seven pounds of boost.

Toyota Prius C (the new small City Prius) leaks out

Toyota Prius C Leak - scanned from a brochure Toyota are busy growing the Prius range in to a sub brand in all but name. We’ve got the regular Prius and the Toyota Prius+ (and Prius V and plug-in Prius), and now, following the concept reveal at Detroit, we get the Prius City Car – the Toyota Prius C. The Toyota Prius C has leaked out via a brochure scan from Japan and, although European specs may be a bit different, we get the first proper look at Toyota’s baby Prius.

Volvo tuner Polestar reveals production S60 and V60 models

It's not every day that we can tell you about a performance-tuned station wagon that is actually coming to the U.S., but today is one of those rare days. Volvo racing and aftermarket tuning specialist Polestar has revealed details of their production versions of the V60 wagon and the S60 sedan, which are bound for the U.S. The S60 and V60's 3.0-liter T6 engine has been tuned to produce 350 hp and 369 lb-ft of torque, which is said to give it a 0 to 62 mph time of 4.9 seconds, on the way to an electronically limited top speed of 155 mph.