GM LS 6-bolt
Aussie manufactured Higgins LS-series cast alloy CNC ported heads.
Available to suit LS7, L98/LS3 ports for street and race applications in both aftermarket & factory LS7 rockers.
Starting from $5200 complete with PAC 1905 springs.
Our LS heads are available with all these standard features and options:
- 6 bolts per cylinder
- Raised runners with extra material on the intake face, allow the use of factory intake manifolds
- Multiple port configurations
- Chamber volumes from 55cc to 70cc
- Made in Melbourne Australia
- All heads are fully CNC ported and feature CNC valve seats
- CHE valve guides and seats
- .750” thick Deck
- Spring pads will accommodate up to 1.650” diameter
- Machined to suit both factory LS7 & 7/16 rocker stud bolts - shaft mounted rockers.
- Come with Victory stainless valves and PAC 1208/109 spring kits.