CNC Ported | GM LS3 Port Cylinder Heads | 12675871-CNC

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CNC Ported | GM LS3 Port Cylinder Heads | 12675871-CNCWhen it comes to LS Performance, Who knows the industry better than GM Performance. We have now paired he most tried and tested production cylinder head on the market with the race winning experience of our industry leading CNC Cylinder Head machining team. It's no secret that CNC Porting the GM LS3 Cylinder Head is the best way to maximize efficiency & flow from your cylinder head. By combining our CNC Ported LS3 heads with the right camshaft &

111 LSA OR 113 LSA

The Front Snout upgrade incorporates a few key features and adds an exciting new upgrade that combines the effective VCM OTR (Over The Radiator) which cant be used with the OEM Snout due to it's offset & angle

- 100% Aussie designed & manufactured

AFR's 260cc LS3 “Mongoose” heads feature 100% CNC ported intake

615" Camshaft

Bosch are at the forefront of engineering excellence & are the original OEM injector brand for your engine

Lobe Separation @ 121

The DPE Manta Pro Series 3" race pipes are designed for race specific applications

ALL Harrop Supercharger kits are assembled at Harrop HQ in Preston VIC

The Crow Cams 235/243 Specs are as follows -

- Chromoly Pushrods Set

Will These Jesel Pro Series Shaft Mount Rocker Arms Fit My Heads

Exchange/Return Notes