Product Description
Yamaha RD400 Webco Spec Billet Heads
- Light Weight
- Increased Air circulation
- Greater Heat Dissipation than stock heads
- Made from 6061 (T6) Aluminum
- High Quality Glossy Anodized
- Gold
- Silver
- Other colors available with a special order
- 12 Degree, 23.63cc Volume each cylinder head
- Aggressive squish, 52% Under Squish & 48% area Under chamber bowl (Toroidal Combustion Chamber)
- High Quality Viton O-Rings Replace the copper gasket
- 3/4 Inch reach spark plugs required, NGK BR8ES
- Do not guess, know your bore size before you order.
limited Heads in stock. Special order item that can take up to 6 weeks.
