Check these guys out...I replaced my rears with these and will do my fronts soon as well. TOP notch quality and priced well!

http://www.wrxtra.com/catalog/product_info.php?products_id=55

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1987 300TDT - 195,000 (Original #14 head)
1993 190E 2.3 - 105,000
1981 300D - 250,000