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8-Cylinder Steel Moly Rings With Napier Second Rings 4.0350 Inch, +.035 Bore; 8-Cylinder Steel Moly Rings With Napier Second Rings 4.035 Inch, +.035 Bore .043 Inxh Steel Plasma Moly Top Rings, .043 Inch Ductile Iron Phosphate Napier Second Rings, 3.0mm Low Tension Flex-Vent Oil Rings

8-Cylinder Steel Moly Rings With Napier Second Rings 4.0450 Inch, +.045 Bore; 8-Cylinder Steel Moly Rings With Napier Second Rings 4.045 Inch, +.045 Bore .043 Inxh Steel Plasma Moly Top Rings, .043 Inch Ductile Iron Phosphate Napier Second Rings, 3.0mm Low Tension Flex-Vent Oil Rings

8-Cylinder Steel Moly Rings With Napier Second Rings 4.0550 Inch, +.055 Bore .043 Inxh Steel Plasma Moly Top Rings, .043 Inch Ductile Iron Phosphate Napier Second Rings, 3.0mm Low Tension Flex-Vent Oil Rings

8-Cylinder Steel Moly Rings With Napier Second Rings 4.0600 Inch, +.060 Bore .043 Inxh Steel Plasma Moly Top Rings, .043 Inch Ductile Iron Phosphate Napier Second Rings, 3.0mm Low Tension Flex-Vent Oil Rings

8-Cylinder Steel Moly Rings With Napier Second Rings 4.0650 Inch, +.065 Bore .043 Inxh Steel Plasma Moly Top Rings, .043 Inch Ductile Iron Phosphate Napier Second Rings, 3.0mm Low Tension Flex-Vent Oil Rings

8-Cylinder Steel Moly Rings With Napier Second Rings 4.0700 Inch, +.070 Bore .043 Inxh Steel Plasma Moly Top Rings, .043 Inch Ductile Iron Phosphate Napier Second Rings, 3.0mm Low Tension Flex-Vent Oil Rings

Engine Pro Performance Steel Moly Race Rings 43SM8557 Specifications Sizes: Std, .005, .020, .025, .030, .035, .040, .045, .060 Bore Sizes: 4.1250, 4.1300, 4.1450, 4.1500, 4.1550, 4.1600, 4.1650, 4.1700, 4.1850 Sold in a Set of 8 Applies to

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

8-Cylinder Steel Moly Rings 4.1550 Inch, +.030 Bore; 8-Cylinder Steel Moly Top Ring, Cast Iron Second Ring Set 4.1550 Inch, +.030 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

8-Cylinder Steel Moly Rings 4.1600 Inch, +.035 Bore; 8-Cylinder Steel Moly Top Ring, Cast Iron Second Ring Set 4.1600 Inch, +.035 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

8-Cylinder Steel Moly Rings 4.1650 Inch, +.040 Bore; 8-Cylinder Steel Moly Top Ring, Cast Iron Second Ring Set 4.1650 Inch, +.040 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

8-Cylinder Steel Moly Rings 4.1700 Inch, +.045 Bore; 8-Cylinder Steel Moly Top Ring, Cast Iron Second Ring Set 4.1700 Inch, +.045 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