MAST Motorsports - LS3 280 CC 4.125"+ CNC Cylinder Head - LS3280
MAST Motorsports - LS3 280 CC 4.125"+ CNC Cylinder Head
MAST Motorsports LS3 CNC Cylinder Head is designed for big bore LS engines running an LS3 intake or supercharger. This head especially thrives when paired with the proper intake and displacement. These head has supported 900hp with a Whipple 2.9L.
- Utilizes the Gen IV LS7 OEM rockers, but accepts the LS3/L76 intake manifold
- Designed for Gen IV short block with 4.125" bore or larger
- 6-bolt design compatible with GM LSX/RHS blocks
- 2.200" intake valve / 1.600" exhaust valve
- 12 degree valve angle
- 280cc intake port
- Has a deck thickness of .750"
- 70cc combustion chamber standard
- Cast & Machined in the USA!
- Includes Free Shipping to the Lower 48!
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