Trick Flow DHC 175 Bare Cylinder Head no Accessory Holes SBC

Increase airflow and performance in your small-block Chevy engine with this DHC 175 cylinder head. It’s designed by Trick Flow for builders who want complete valvetrain customization. The bare casting lets you select valves, springs, retainers, and related components that match your build. Said casting also combines traditional small-block styling, like straight spark plugs, with modern port and combustion chamber technology.

Features and Benefits:
- Free of accessory holes for better compatibility with custom engine builds
- A356-T61 aluminum construction
- “Fast As Cast” intake runner technology
- CNC-machined combustion chambers
- Thick deck and casting walls for durability
- Ductile iron valve seats with multi-angle valve job
- Bronze valve guides installed

With 175cc intake runners and 60cc chambers, the cylinder head improves low-RPM torque while supporting strong horsepower throughout the RPM range. Because it’s made of A356-T61 aluminum, it also boasts lightweight durability and excellent heat dissipation. It’s achieved without sacrificing the factory-style appearance, making it a great option for classic enthusiasts.

Specifications:
- Combustion chamber: 60cc
- Intake runner: 175cc
- Exhaust runner: 74cc
- Valve angle: 23-degree intake / 23-degree exhaust
- Intake port shape: rectangular
- Exhaust design: D-port
- Oiling style: through pushrod

Vehicle Fitment:
- Fits small-block Chevy engines (minimum 4.000" bore)