BTR .625 Lift Valve Spring Kit - SK018

The BTR SK018 valve spring kit works for a wide range of applications, whether you're looking for longevity in street applications, or for use in single valve spring only limited racing classes, BTR has you covered. As with all BTR valve springs, they have been extensively tested on our in house Spintron machine and engine dyno.

NOTE: CAN NOT BE USED WITH OEM HAT STYLE VALVE SEALS.

Spring specs:

125lbs @ 1.800"
350lbs @ 1.200"
365lbs @ 1.175"
Coil bind @ 1.060"

I.D. top of spring .645"
O.D. top of spring 1.02"
I.D. bottom of spring .9115"
O.D. bottom of spring 1.285"

Kit includes:

(16) SP018-1 valve springs

(1) VS LS KIT valve seal set

(1) SL505045BH-16 spring locator set