500ss/ TNT Billet Head

Straightline's Billet Head with inserts. adds 4-5hp. This engine has remained the same for years and so has our proven billet head. This head helps substantially with cooling because of it's large cut-outs around the domes. The head comes complete with the new improved combustion chamber, for better fuel efficiency and increased mph. Head comes in anodized black
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  • 5.0 lbs.

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