i always block the wheels in both directions, engage parking brake and put the car in park or 1st gear and use jackstands, and if i remove the wheels i put them under the car. after all this, i give the car a firm tug or two just to make sure it's stable and it won't tip sideways and fall off the jackstands.
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2009 370z Sport Touring/Nismo shift Knob/Z1 motorsports 34 row oil cooler
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