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8-Cylinder Steel Moly Rings 4.0450 Inch, +.045 Bore; 8-Cylinder Steel Moly Top Ring, Cast Iron Second Ring Set 4.0450 Inch, +.045 Bore, .043 Inch Steel Plasma Moly Top Rings, 1/16 Inch Cast Iron Reverse Torsional Twist Second Rings, 3/16 Inch Standard Tension Flex-Vent Oil Rings

8-Cylinder Steel Moly Rings 4.0650 Inch, +.065 Bore; 8-Cylinder Steel Moly Top Ring, Cast Iron Second Ring Set 4.0650 Inch, +.065 Bore, .043 Inch Steel Plasma Moly Top Rings, 1/16 Inch Cast Iron Reverse Torsional Twist Second Rings, 3/16 Inch Standard Tension Flex-Vent Oil Rings

8-Cylinder Steel Moly Rings 4.0800 Inch, +.080 Bore; 8-Cylinder Steel Moly Top Ring, Cast Iron Second Ring Set 4.0800 Inch, +.080 Bore, .043 Inch Steel Plasma Moly Top Rings, 1/16 Inch Cast Iron Reverse Torsional Twist Second Rings, 3/16 Inch Standard Tension Flex-Vent Oil Rings

Engine Pro Performance Steel Moly Race Rings 43SM8531 Specifications Sizes: Std, .005, .035, .065 Bore Sizes: 3.7800, 3.7850, 3.8150, 3.8450 Sold in a Set of 8 Applies to: 1.5 - 1.5 - 3.0 Mm Standard Tension Description: None TOP RING: STEE

8-Cylinder Steel Moly Rings With Napier Second Rings 3.7850 Inch, +.005 Bore 1.5mm Steel Plasma Moly Top Rings, 1.5mm Ductile Iron Phosphate Napier Second Rings, 3.0mm Low Tension Flex-Vent Oil Rings

8-Cylinder Steel Moly Rings With Napier Second Rings 3.7950 Inch, +.015 Bore 1.5mm Steel Plasma Moly Top Rings, 1.5mm Ductile Iron Phosphate Napier Second Rings, 3.0mm Low Tension Flex-Vent Oil Rings

8-Cylinder Steel Moly Rings With Napier Second Rings 3.8050 Inch, +.025 Bore 1.5mm Steel Plasma Moly Top Rings, 1.5mm Ductile Iron Phosphate Napier Second Rings, 3.0mm Low Tension Flex-Vent Oil Rings

8-Cylinder Steel Moly Rings With Napier Second Rings 3.8150 Inch, +.035 Bore 1.5mm Steel Plasma Moly Top Rings, 1.5mm Ductile Iron Phosphate Napier Second Rings, 3.0mm Low Tension Flex-Vent Oil Rings

8-Cylinder Steel Moly Rings With Napier Second Rings 3.8250 Inch, +.045 Bore 1.5mm Steel Plasma Moly Top Rings, 1.5mm Ductile Iron Phosphate Napier Second Rings, 3.0mm Low Tension Flex-Vent Oil Rings

8-Cylinder Steel Moly Rings With Napier Second Rings 3.8450 Inch, +.065 Bore 1.5mm Steel Plasma Moly Top Rings, 1.5mm Ductile Iron Phosphate Napier Second Rings, 3.0mm Low Tension Flex-Vent Oil Rings

Engine Pro Performance Steel Moly Race Rings 43SM8537 Specifications Sizes: Std, .005, .025, .035, .045, .065, .080 Bore Sizes: 4.0000, 4.0050, 4.0250, 4.0350, 4.0450, 4.0650, 4.0850 Sold in a Set of 8 Applies to: .043 - 1/16"- 3/16" Low Te

8-Cylinder Steel Moly Rings 4.1300 Inch, +.005 Bore; 8-Cylinder Steel Moly Top Ring, Cast Iron Second Ring Set 4.1300 Inch, +.005 Bore, .043 Inch Steel Plasma Moly Top Rings, 1/16 Inch Cast Iron Reverse Torsional Twist Second Rings, 3/16 Inch Low Tension Flex-Vent Oil Rings