Gsxr 1000 ported and polished cylinder head 😎 #motorcycle #automobile #gsxr Grudge Races admin — October 21, 2024 · 0 Comment source Big bore Built custom Cylinder head drag bike grudge bike grudge race grudge racing gsxr GSXR 1000 gsxr 600 gsxr 750 HAYABUSA no prep kings grudge Npk grudge Ported head Race Bike roll racing street outlaws grudge street racing TEXAS zx10 Zx6