Custom Cages Subaru Impreza GP/GJ R4 International Mulitpoint T45 Weld-in Roll Cage Engine & Power At the heart of every

At the heart of every Gobstopper engine you'll find the Arrow crankshaft

Slimline 17mm hex for ease of installation and removal regardless of wheel design

Significant Power Gains: By smoothing the path of air into the cylinder heads

Manufacured from pulverized lava rock and stranded into a fiber material which is then woven into a proprietary weave

maintaining a firm and consistent pedal feel under the most demanding conditions

Custom Cages Subaru Impreza GP/GJ R4 International Mulitpoint T45 Weld-in Roll Cage Engine & Power At the heart of everyCustom Cages Subaru Impreza GP GJ GPN International Multipoint T45 Weld in Roll Cage.