Progressive rate springs with high-quality chrome silicon wire. Precision wound. Lifetime manufacturer's warranty.. Fork Spring Notes:. 1 - Stock spacer may be shortened to fit.. 5 - Spacer required is furnished with springs.. 8 - Re-use stock spacer.. 13 - Spacer length must be calculated according to instructions included with fork springs.. 18 - Cut the included spacer to length indicated. Standard Kit Standard Kit