A ring groove cleaner equipped with two interchangeable cutter wheels that services pistons from 2-3/4" (69.9 mm) to 5" (12.7 cm) in diameter. This tool utilizes a heavy coil spring to hold the cutter in the groove for fast carbon removal. The included wheels provide multiple sizes, including 5/64" (2 mm), 3/32" (2.4 mm), 1/8" (3.2 mm), 5/32" (4 mm), 3/16" (4.8 mm), 1.5 mm, 1/16" (1.6 mm), 1.75 mm, 2 mm, and ¼" (6.4 mm).

A ring groove cleaner equipped with two interchangeable cutter wheels that services pistons from 2-3/4" (69.9 mm) to 5" (12.7 cm) in diameter. This tool utilizes a heavy coil spring to hold the cutter in the groove for fast carbon removal. The included wheels provide multiple sizes, including 5/64" (2 mm), 3/32" (2.4 mm), 1/8" (3.2 mm), 5/32" (4 mm), 3/16" (4.8 mm), 1.5 mm, 1/16" (1.6 mm), 1.75 mm, 2 mm, and ¼" (6.4 mm).