Mahle Rings Grey Iron BT 3.4646in Bore x 1.5MM .150 RW Plain Ring Set (48 Qty Bulk)

Mahle is a well-known name in the engine parts world, often supplying OE components to manufacturers. This piston ring set, part number 3021173B, is a bulk pack of 48 sets, making it ideal for shops or engine builders working on multiple projects. They are constructed from grey iron, a material known for its durability and good wear characteristics in engine applications.

Each ring in this set is designed for a 3.4646-inch bore and features a 1.5mm thickness for the top and second rings, with a 0.150-inch oil ring. The 'RW' designation typically refers to a specific ring configuration, and these are plain rings, meaning they don't have special coatings or treatments beyond the base material. This straightforward design ensures reliable performance in a wide range of engine builds where a solid, dependable piston ring is needed.

Because these are sold in a bulk quantity of 48 sets, they are a practical choice for professional engine builders or performance shops that frequently service or rebuild engines. Please note that these rings are not CARB approved and cannot be shipped to California.