Straightline Performance
Straightline Performance Cylinder Head - 113-101
Item: #590328 | Part Number: 113-101$672.29
Description
SPI Cylinder Head Straightline's Billet Head with inserts adds 5hp. This head helps substantially with cooling because of its large cut-outs around the domes. The head comes complete with the improved combustion chamber, for better fuel efficiency and increased top speed. The 800R head is custom designed for the RPM...
Straightline Performance Cylinder Head - 113-101 Item # 590328
Description
SPI Cylinder Head
Straightline's Billet Head with inserts adds 5hp. This head helps substantially with cooling because of its large cut-outs around the domes. The head comes complete with the improved combustion chamber, for better fuel efficiency and increased top speed. The 800R head is custom designed for the RPM and powercurve of the monoblock engine. Head comes in anodized black. SPI's sleeper head comes with the same inserts and hp gain as the billet head, yet with the stealth stock appearance.