Brian Tooley Racing BTRSK001/S/0545/BB Platinum LS Dual Springs .660in Lift

Brian Tooley Racing BTRSK001/S/0545/BB Platinum LS Dual Springs .660in Lift is listed by Motorstate as a Valve Springs for catalog matching by brand, part number, and product name. Use this source-backed listing when comparing Brian Tooley Racing components in the Valve Springs category. The manufacturer part reference is SK001/S/0545/BB, while the Motorstate part number is BTRSK001/S/0545/BB. Catalog description context: Valve Spring Kit - Dual Spring - 380 lb/in Spring Rate - 1.070 in Coil Bind - 1.300 in OD - Locks / Steel Retainers / Viton Seals / Seats - GM LS-Series - Kit. No vehicle compatibility is stated here unless it is present in separate fitment data.