The second factor, convertin (otherwise known as serum prothrombin conversion accelerator, Spca, stable factor, co-thromboplastin and factor VII), is found in serum and arises from a relatively inert precursor in the plasma (proconvertin or pro-Spca) when brought in contact with thromboplastin and calcium.
Parts: $155 - $304. The average cost for a strut/shock absorber replacement-front is between $315 to $507. Labor costs are estimated between $160 to $203 while parts are priced between $155 to $304.Get a personalized estimate based on your location and specific car.he average cost for a strut/shock absorber replacement-front is between $315 to $507.
How much car shock absorbers should cost. Prices paid and comments from CostHelper's team of professional journalists and community of users. Shock absorbers or struts can cost $25-$350 or more each, depending on the make and model of vehicle and the quality of the part.