Brian Tooley Racing BTRBTR-SK018 Beehive Valve Spring Kit .625

Brian Tooley Racing BTRBTR-SK018 Beehive Valve Spring Kit .625 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 BTR-SK018, while the Motorstate part number is BTRBTR-SK018. Catalog description context: Valve Spring Kit - Ovate Beehive Spring - 384 lb/in Spring Rate - 1.100 in Coil Bind - 1.020 in / 1.285 in OD - Viton Seals / Seats - Kit. No vehicle compatibility is stated here unless it is present in separate fitment data.