Yella Terra Holden V8 EFI 5.0 Super-X Assembled Alloy Cylinder Heads — Pair — ABHA 5000-9SX

ABHA 5000-9SX is the fully assembled version of Yella Terra’s Super-X VN-style EFI Holden V8 alloy cylinder-head package. It targets high-output 304, 355 and compatible stroker combinations requiring the larger Super-X port architecture without starting from a bare casting.

Assembled Super-X pair

• Pair of assembled alloy cylinder heads.
• Super-X high-flow port architecture.
• Machined injector notches for EFI applications.
• Supplier positions the Super-X program for 600+ hp-capable combinations when correctly matched to the complete engine.

Installation: Even with assembled heads, verify chamber volume, spring pressure, installed height, camshaft lift, piston-to-valve clearance, pushrod length and rocker geometry for the final build.

Product System

• Engine Parts

Vehicle Fitment

• Holden Commodore Vn Vr 5 0 Efi V8
• Holden Commodore Vs 5 0 Efi V8

Confirm chassis, engine, drivetrain and production-year compatibility before ordering.

Supplier Part Number

ABHA 5000-9SX

Built by Boost & Tune Support

BBT can assist with fitment review, installation, supporting modifications, configuration and calibration requirements where applicable.