The BTR .625in Beehive Valve Spring Kit is a single ovate beehive-style valve spring package designed to support valvetrain stability at increased lift. Each kit includes matched springs, a Viton valve seal set, and a spring locator set for a ready-to-install upgrade.
- Part Number: BTR-SK018
- Max Valve Lift: .625 in
- Spring Type: Ovate Beehive, Single Spring
- Spring Rate: 384 lb/in
- Spring Pressure: 125 lb @ 1.800 in installed / 350 lb @ 1.200 in / 365 lb @ 1.175 in open
- Coil Bind Height: 1.100 in
- Spring ID: .645 in top / .9115 in bottom
- Spring OD: 1.020 in top / 1.285 in bottom
- Kit Includes: (16) SP018-1 valve springs, (1) VS LS KIT valve seal set, (1) SL505045BH-16 spring locator set (.045 in thick)
FAQ
What is the maximum valve lift this spring kit supports?
The BTR-SK018 beehive valve spring kit supports up to .625 in of valve lift.
What type of spring is included in this kit?
This kit uses a single ovate beehive-style spring rated at 384 lb/in, with a 1.100 in coil bind height and 1.020 in / 1.285 in outer diameter.
What does the kit include?
The kit includes 16 SP018-1 valve springs, a VS LS KIT valve seal set, and an SL505045BH-16 spring locator set with .045 in thick locators.
Can this kit be used with OEM hat-style valve seals?
No, BTR states this kit cannot be used with OEM hat-style valve seals.

