PAC Racing Valve Stem Locks - (mini 8° x 11/32" - square groove)
These PAC Racing valve locks are machined from highest quality alloy steel billet material and then carefully heat treated for long life and durability. Engineered specifically for today's high engine speeds and high tension valve springs. Applications include many custom built aftermarket cylinder heads using 11/32" diameter valve stems with a square groove valve stem.
PART NUMBER: PAC-L8133-16
