Genuine GM LS6 Intake Manifold 12573572 - Used - Suits VY VZ Commodore LS1 5.7L

Genuine GM/Holden LS6 intake manifold, casting number 12573572 — the later, better-flowing cathedral port manifold. Removed from a running vehicle and in good used condition, no cracks or broken tabs.

Why the LS6 manifold

This is the manifold every VT/VX LS1 owner chases. The earlier 12556333 manifold fitted to VT and VX Commodores is noticeably more restrictive. Swapping to the LS6 casting is one of the cheapest genuine power gains available on a Gen III — a straight bolt-on with no tune required, and it responds even better once you add exhaust and a tune.

Fitment

• Holden VY, VZ Commodore, Ute, Wagon, Statesman/Caprice — 5.7L LS1
• Holden Monaro V2/VZ CV8 — 5.7L LS1
• HSV VY, VZ models — 5.7L LS1
• Direct upgrade for VT, VX, VU 5.7L LS1 (replaces 12556333)
• Suits any cathedral port LS — LS1, LS6, LS2, 4.8L, 5.3L, 6.0L
• Popular choice for LS conversions and engine swaps

Part numbers

GM 12573572. Firing order 1-8-7-2-6-5-4-3.

What's included

Bare manifold only as pictured. Fuel rail, injectors, throttle body, MAP sensor and gaskets are not included. We recommend fitting new intake manifold seals (GM 12533587) on installation.

Condition

Used, good condition. Some surface marks consistent with age and use. MAP sensor mounting tab and throttle body fittings intact. Inspect photos closely — what you see is what you receive.

About Northcom Automotive

Perth's dedicated Holden and HSV parts specialist. Over 13 years in the LS and Holden performance space. Australia-wide shipping, or collect from our Malaga workshop.