Larry, All I can say is measuring 8MA1244 is this was definitely hand built 1) Yes the edge is rolled 2) the diameter of the larger holes is 58mm separation is 34mm +/- (neither holes nor spacing is even) 3) smaller holes are 38mm separation is 27.6mm (smaller drain hole is 15.5mm 4) I would say slope is same as grill but 22mm outboard of grill.Let me best explain the front air dam spoiler piece the best I can. It is a 7cm lip including the rolled edge, it is inserted into the body 6cm. It is not straight as it follows the contour of the lower valence. The radius of the corner bend is 2cm. The spoiler is angled 45° from horizontal. Hope that helps.
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