H&R RF300040 60mm ID Single Race Spring Length 300mm Spring Rate 40 N/mm or 229 lbs/inch

H&R RF300045 60mm ID Single Race Spring Length 300mm Spring Rate 45 N/mm or 257 lbs/inch

H&R RSS46760-1 15-21 Subaru STi RSS Coil Over

H&R ZF030-36-012 36mm ID Single Race Spring - 1.18in Length - 69lbs/in Spring Rate - 40lbs Block Load

H&R ZF030-36-018 36mm ID Single Race Spring - 1.18in Length - 103 lbs/in Spring Rate - 56lbs Block Load

H&R ZF040-015 60mm ID Single Race Spring Length 40mm Spring Rate 15 N/mm or 86 lbs/inch

H&R ZF040-025 60mm ID Single Race Spring Length 40mm Spring Rate 25 N/mm or 143 lbs/inch

H&R ZF040-030 60mm ID Single Race Spring Length 40mm Spring Rate 30 N/mm or 171 lbs/inch

H&R ZF040-100 60mm ID Single Race Spring Length 40mm Spring Rate 100 N/mm or 571 lbs/inch

H&R ZF040-150 60mm ID Single Race Spring Length 40mm Spring Rate 150 N/mm or 857 lbs/inch

H&R ZF045-36-012 36mm ID Single Race Spring - 1.77in Length - 69lbs/in Spring Rate - 65lbs Block Load

H&R ZF050-120 60mm ID Single Race Spring Length 50mm Spring Rate 120 N/mm or 685 lbs/inch

H&R ZF060-015 60mm ID Single Race Spring Length 60mm Spring Rate 15 N/mm or 86 lbs/inch

H&R ZF060-045 60mm ID Single Race Spring Length 60mm Spring Rate 45 N/mm or 257 lbs/inch

H&R ZF060-050 60mm ID Single Race Spring Length 60mm Spring Rate 50 N/mm or 286 lbs/inch

H&R ZF060-085 60mm ID Single Race Spring Length 60mm Spring Rate 85 N/mm or 486 lbs/inch

H&R ZF065-050 60mm ID Single Race Spring Length 65mm Spring Rate 50 N/mm or 286 lbs/inch

H&R ZF075-008 Replacement Rear Tender Spring for Kit 29293-1

H&R ZF075-043 60mm ID Single Race Spring Length 75mm Spring Rate 43 N/mm or 246 lbs/inch

H&R ZF080-015 60mm ID Single Race Spring Length 80mm Spring Rate 15 N/mm or 86 lbs/inch

H&R ZF080-020 60mm ID Single Race Spring Length 80mm Spring Rate 20 N/mm or 114 lbs/inch

H&R ZF080-030 60mm ID Single Race Spring Length 80mm Spring Rate 30 N/mm or 171 lbs/inch