Piston ring set. .030 oversized. Includes 2 rings. For Columbia/HD gas (2 cycle) 1963-95. Fits any 2 or 3 ring piston.

Piston ring set. .040 oversized. Includes 2 rings. For Columbia/HD gas (2 cycle) 1963-95. Fits any 2 or 3 ring piston.

Piston ring set. .050 oversized. Includes 2 rings. For Columbia/HD gas (2 cycle) 1963-95. Fits any 2 or 3 ring piston. Not available from Columbia.

Piston ring set. .060 oversized. Includes 2 rings. For Columbia/HD gas (2 cycle) 1963-95. Fits any 2 or 3 ring piston. Not available from Columbia.

Piston ring set. .070 oversized. Includes 2 rings. For Columbia/HD gas (2 cycle) 1963-95. Fits any 2 or 3 ring piston. Not available from Columbia.

Piston & ring assembly. Standard. Include Piston, 3 rings, wrist pin and clips. For Columbia/HD (2 cycle). NOTE: Piston sets interchangeable with 2 ring piston sets.

Piston & ring assembly. .010 oversized. Include Piston, 3 rings, wrist pin and clips. For Columbia/HD (2 cycle). NOTE: Piston sets interchangeable with 2 ring piston sets.

Piston & ring assembly. .020 oversized. Include Piston, 3 rings, wrist pin and clips. For Columbia/HD (2 cycle). NOTE: Piston sets interchangeable with 2 ring piston sets.

Piston & ring assembly. .030 oversized. Include Piston, 3 rings, wrist pin and clips. For Columbia/HD (2 cycle). NOTE: Piston sets interchangeable with 2 ring piston sets.

Piston & ring assembly. .040 oversized. Include Piston, 3 rings, wrist pin and clips. For Columbia/HD (2 cycle). NOTE: Piston sets interchangeable with 2 ring piston sets.