Low profile and aerodynamic, the PineCar Hammerhead body is geared toward speed. All our 3/8" dia cylinder weights fit its pre-drilled weight cavities. There are four pre-cut wheelbase options including BSA standard and extended wheelbases. The Hammerhead is a rough-cut and ready-to-finish block for those who want a great looking, great racing car but may not have the necessary tools or skills. • Pre-Cut body dimensions - 7" L x 1 3/4" W