LS3-7 NxtGen/Brodix Hybrid BR Series CNC Ported Cylinder Heads (PAIR)

Nxtgen LS3-7 BR Series Cylinder Head

The Nxtgen LS3-7 BR Series is a high-performance, 6-bolt CNC-ported cylinder head designed for serious engine builds. Precision-machined from a premium Brodix cast aluminum blank, this head combines strength, flow, and velocity in one uncompromising package.

What makes it stand out? The LS3-7 BR Series uniquely blends LS3 intake port location, shape, and size with the 12° valve angle and larger LS7-style valve sizes and lengths—featuring 2.200″ intake and 1.615″ exhaust valves.

Built for serious performance, it’s also fully compatible with LS7 rocker stands and rocker arms, giving you more flexibility with valvetrain setups.

If you’re chasing the ultimate in LS3 port-location performance, the Nxtgen LS3-7 BR Series is the top-tier solution.

Features
  • CNC machined from the renowned strength of a Brodix casting blank
  • 400cfm @.750"
  • Port design is optimised for flow and velocity
  • 5-axis CNC intake and exhaust port and combustion chamber machining
  • CNC machined valve seats
  • Suits LS7 Rockers with 12deg Valve angle
  • LS3 Intake Port location & Shape

$5,000.00

Optional Extras

The ultimate LS built from the world-renowned Brodix casting blank. These NxtGen cylinder heads will push your LS further than ever before. This head is to suit GM LS7 Rocker system. Perfect for Hyd Roller springs & cam

Intake and Exhaust Port
5-axis CNC intake and exhaust port and combustion chamber machining
Head Gasket Face
Surfaced milled head gasket face for MLS gaskets
Valve Seats
Newen CNC single point, multi angle machined valve seats
Valve Guides
Brass alloy valve guides
Valve Seat Material
Ductile iron valve seat material
Optional Extras
Valve refacing, Setup valve springs and assembly