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- Fits Small Block Chevy
- 265, 283, 305, 307, 327, 350, 400 engines
- Fits regular (OE style) cylinder heads; do not fit slant plug heads
- Laser cut flanges
- The header set includes 2 exhaust manifold gaskets, 2 collector gaskets, 1 bolt kit
- Minor modifications may be required for fitment on certain models
- Professional installation recommended! No instructions included!
- If your vehicle is using aftermarket components, parts from other applications or custom-altered parts, then it is the installer’s responsibility to verify fitment.
- Flanges: 3/8” thick
- Primaries: 1-5/8”
- Collector outlet: 2-1/2”
- Collector adaptor outlet: 2-/1/4"
Part Number: CAL-5320