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Speedmaster CNC ported cylinder heads are machined on dedicated 5-axis CNC machines to ensure accuracy and better flow
The air flowing under the plenum provides a cooler charge for the incoming air with less heat transfer from the engine
They have injector bosses precisely positioned and machined for excellent fuel spray patterns and maximum power
The dual plane
Spacer can be reused if disassembly of the carrier is required
Chevy SBC 350 Downdraft EFI Stack Intake Manifold System Complete Polished Speedmaster CNC ported cylinder heads
US$ 4745.00
US$ 79.90
US$ 25.00
US$ 699.50
US$ 79.00
US$ 39.00
US$ 10.00
