well i found who has the bilstein but i have never heard anything good about them so unless i fly there and personaly order the springs from them i wont order them...
mantapart.com
OP 1201BNC Coil Over Bilstein Struts & Springs: These are specially built to be shorter and are valved for stiffer spring rates. The best German quality gas shocks for extreme useage. Complete with fully adjustable coil over springs and all mounting hdwe. Available in various valving setup for different applications, lowers car up to 4", inquire for tech help. ($50 Core refund/credit when you return your useable old frt. struts. Must be straight & fairly rust free) Set of front and rear struts.
OP 1201BNC $1,500.00
