Box Stock Project’s exclusive low tension ring sets.

Box Stock Project’s exclusive low tension ring sets.

Box Stock Project’s exclusive low tension ring sets.

Black Aluminum Oxide Head Bolt

Carb On/Off sediment Bowl Rebuild Kit

Original Box Stock Project 196 Sealed Crate Engine Kit.

BSP 196cc/212cc Stock Fuel Tank w/cap

BSP 212cc (.009) Performance Head Gasket Our Best Head gasket with viton coating.

212cc Piston Thin Ring Set (Stock)

BSP 212cc Stock Thin Ring Piston Kit 2.756 or 70mm (Light Weight Wrist pin/Clips 142-146 Grams)

BSP 212cc 27mm Intake Valve

BSP 212cc 25mm Exhaust Valve