Yes , the 3.5 litre V6 engine in a 2006 Lexus is350 has a timing CHAIN
Lexus IS350 is an specific model of a car. Therefore, there is no relation between the drive test a person have to do for driving and the Lexus IS350.
The 2013 Lexus GX-460 is 6 ft. 2.2 in. (74.2 in.) wide.
The 2013 Lexus IS-F is 5 ft. 11.5 in. (71.5 in.)1 subwoofer(s) wide.
The 2013 Lexus IS-250 is 5 ft. 10.9 in. (70.9 in.)1 subwoofer(s) wide.
CHAIN
The 2013 Lexus GS-350 is 6 ft. 0.4 in. (72.4 in.)12 total speakers wide.
The 2013 Lexus GS-450H is 6 ft. 0.4 in. (72.4 in.)12 total speakers wide.
The 2013 Lexus LS-460 is 6 ft. 1.8 in. (73.8 in.)1 subwoofer(s) wide.
To find reviews for the 2014 Lexus is350 it is best to check out automotive magazines or auto sites. Such places are Autoweek, cnet, Car and Driver and Motor Trend.
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By knee air bag.