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Length of standard lug bolts?

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I'm buying this wheel and tire package which includes the mounting/balance, lug bolts, valves and shipment to my home for $1812.00

The wheels are ROH Drift R which are a nice clean one piece design with no rivets (easy to clean), nice polished lip and silver center to match my Arctic Silver exterior of my Boxster.

18 x 8 (50mm offset) with 2" polished lip

18 x 10 (52mm offset) with 3" polished lip

I'm getting H&R DR spacers for the rear, hence the need for longer lug bolts (45mm + 7mm = 52). This should put rear wheels at an offset of 45mm.

The tires are Toyo PROXES T1R

225/40/YR 18

265/35/YR 18

Let me know what you think and if there any issues with the rear offsets. Btw, this is not my car, but this is what it would look like on a Porsche

Thanks, Ray



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The Cayenne service manual says...

The wheels of the Cayenne are secured with standard wheel bolts M14 x 1.5 x 51.

- Do not confuse the Cayenne wheel bolts with the sports car wheel screws (911 and Boxster)!

- The wheel bolt for the Cayenne has a length of 51 mm, the disc (calotte) consists of steel and has a groove on it -arrow- (911 and Boxster without groove and disc consisting of aluminium. Standard length = 45 mm and GT3 = 50 mm).

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