Our office will close at 5pm on Thu 19th December and will re-open at 8.30am Wed 8th Jan 2025.
Our online store will be open for this period but all orders will not be despatched until the week of the 13th Jan 2025
New
Normal
Genuine GM LS3 complete cylinder head
See below for further specifications
821 casting cylinder head complete with .550" lift springs, retainers & locks
Spring Specs:
90lbs @ 1.800" Installed height
275lbs @ 1.300" Installed height
Coil bind @ 1.220" Installed height