Bare Cylinder Head Style, Aluminium, Natural
- Nothing beats a full-dress flathead for beauty and these Offy finned aluminium heads are just the ticket
- Finned design aids in cooling versus stock cast iron heads
- Enlarged water jackets take the cooling capability to even higher levels
- .400″ valve relief accommodates high lift cams
- 9:1 compression with 3-5/16″ bore and 4″ stroke or 8.6:1 compression with 3-5/16″ bore and 3-3/4″ stroke