< Heads

LS3 6-bolt factory rocker

NEW for 2020!

Aussie manufactured LS3 6-bolt cylinder heads feature updated port options. These ports are already proven beyond 800hp N/A and have run 7.2 @ 190+mph in a 275 radial street driven Holden.

LS3 Heads flow over
0
CFM

Our LS heads are available with all these standard features and options:

  • ALL new design
  • Fits OE style rockers
  • Multiple port configurations
  • 250cc & 277cc intake runners
  • Made in Melbourne Australia
  • All heads are fully CNC ported and feature CNC valve seats
  • CHE valve guides and seats
  • 2.20″ intake valves
  • 1.60″ exhaust valves

Can’t see what you’re looking for?

No problem. We have more LS port designs, but cannot possibly list them all, so please don’t hesitate to call or contact us.