Mahle Clevite Piston Ring Set, Performance Series (V8 Engine)

Bore (in): 3.898 in. Bore (mm): 99.009mm File Fit: Yes Top Ring Included: Yes Top Ring Thickness: 0.043 in. Second Ring Included: Yes Second Ring Thickness: 0.043 in. Oil Ring Included: Yes Oil Ring Thickness: 3.0mm Oil Ring Tension: Low Gapless: No Top Ring Material: Ductile iron Top Ring Facing Material: Plasma-moly Second Ring Material: Cast iron Second Ring Facing Material: Cast iron Oil Ring Material: Stainless steel Quantity: Sold as a set.