SP-E530K40 suit 4.040" BORE CHEV 350/5.7L VORTEC V8. Sealed Power Performance piston rings are made from ductile iron, and compression rings are available with moly facings for extra durability. These OE-quality sets will seal mild- to high-compression engines and help protect against oil blow-by. They feature standard ring end gaps for easy installation. Bore (in): 4.040 in. Bore (mm): 102.616mm. File Fit: No. Top Ring Included: Yes. Top Ring Thickness: 2.0mm. Second Ring Included: Yes. Second Ring Thickness: 1.5mm. Oil Ring Included: Yes. Oil Ring Thickness: 4.0mm. Oil Ring Tension: Standard. Gapless: No. Top Ring Material: Iron. Top Ring Facing Material: Moly. Second Ring. Material: Iron. Second Ring Facing Material: Cast iron. Oil Ring Material: Chrome plated carbon steel. Quantity: Sold as a set.
