Used in HiSun 700 Cylinder body (not 750). This 115mm Hardened Bolt is 7mm longer, other Head Bolt is 108.5mm, (2) ea./Cylinder.
Each Bolt comes with a New Copper Washer.
This 500 Cylinder Head is For the Carburetor Models and the EFI engines that has the 1-Wire Temp Switch and 2-Prong Temp Sensor that is not used on the Carburetor models.
Mainly for the Bucket Seat Models.