15-Degree Billet Mount for Intek 305 and GX390 American KartsTailored for robust engines like the Intek 305 and GX390, the PM 034 15 305 billet mount at 15 degrees fits American rails seamlessly. Performance Mfg's focus on these big displacement units ensures the mount handles their torque without flinching. The 15 degree angle positions these engines for enhanced cooling and exhaust evacuation, critical for sustained high output runs. Billet precision means exact fitment, eliminating hot spots that could lead