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Engine Pro Performance Ductile Plasma Moly Top Ring - Napier Second Ring 43M8543 Specifications Size: Std, .005, .030, .035, .040, .045, .060, .065 Bore Size: 4.0000, 4.0050, 4.0300, 4.0350, 4.0400, 4.0450, 4.0600, 4.0650 Sold in a Set of 8

8-Cylinder Premium Ductile Plasma Moly Rings Set 4.0400 Inch, +.040 Inch Bore, 5/64 Inch Ductile Iron Plasma Moly Top Rings, 5/64 Inch Cast Iron Reverse Torsional Twist Second Rings, 3/16 Inch Low Tension Flex-Vent Oil Rings

8-Cylinder Premium Ductile Plasma Moly Napier Rings 4.0050 Inch, +.005 Bore; 8-Cylinder Premium Ductile Plasma Moly Top Ring, Napier Second Ring Set 4.0050 Inch, +.005 Bore, 1/16 Inch Ductile Iron Plasma Moly Top Rings, 1/16 Inch Ductile Iron Napier Second Rings, 3/16 Inch Low Tension Flex-Vent Oil Rings

8-Cylinder Premium Ductile Plasma Moly Rings Set 4.0450 Inch, +.045 Inch Bore, 5/64 Inch Ductile Iron Plasma Moly Top Rings, 5/64 Inch Cast Iron Reverse Torsional Twist Second Rings, 3/16 Inch Low Tension Flex-Vent Oil Rings

8-Cylinder Premium Ductile Plasma Moly Napier Rings 4.0300 Inch, +.030 Bore; 8-Cylinder Premium Ductile Plasma Moly Top Ring, Napier Second Ring Set 4.0300 Inch, +.030 Bore, 1/16 Inch Ductile Iron Plasma Moly Top Rings, 1/16 Inch Ductile Iron Napier Second Rings, 3/16 Inch Low Tension Flex-Vent Oil Rings

Engine Pro Performance Racing Rings 43M5505 Specifications Size: Std, .005, .010, .025, .030, .035, .045, .060, .065 Bore Size: 4.0000, 4.0050, 4.0100, 4.0250, 4.0300, 4.0350, 4.0450, 4.0600, 4.0650 Sold in a Set of 8 Applies to: 1/16"- 1/1

8-Cylinder Premium Ductile Plasma Moly Napier Rings 4.0350 Inch, +.035 Bore; 8-Cylinder Premium Ductile Plasma Moly Top Ring, Napier Second Ring Set 4.0350 Inch, +.035 Bore, 1/16 Inch Ductile Iron Plasma Moly Top Rings, 1/16 Inch Ductile Iron Napier Second Rings, 3/16 Inch Low Tension Flex-Vent Oil Rings

8-Cylinder Premium Ductile Plasma Moly Rings Set 4.0050 Inch, +.005 Inch Bore, 1/16 Inch Ductile Iron 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 Premium Ductile Plasma Moly Napier Rings 4.0400 Inch, +.040 Bore; 8-Cylinder Premium Ductile Plasma Moly Top Ring, Napier Second Ring Set 4.0400 Inch, +.040 Bore, 1/16 Inch Ductile Iron Plasma Moly Top Rings, 1/16 Inch Ductile Iron Napier Second Rings, 3/16 Inch Low Tension Flex-Vent Oil Rings

8-Cylinder Premium Ductile Plasma Moly Rings Set 4.0100 Inch, +.010 Inch Bore, 1/16 Inch Ductile Iron 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 Premium Ductile Plasma Moly Napier Rings 4.0450 Inch, +.045 Bore; 8-Cylinder Premium Ductile Plasma Moly Top Ring, Napier Second Ring Set 4.0450 Inch, +.045 Bore, 1/16 Inch Ductile Iron Plasma Moly Top Rings, 1/16 Inch Ductile Iron Napier Second Rings, 3/16 Inch Low Tension Flex-Vent Oil Rings

8-Cylinder Premium Ductile Plasma Moly Rings Set 4.0300 Inch, +.030 Inch Bore, 1/16 Inch Ductile Iron Plasma Moly Top Rings, 1/16 Inch Cast Iron Reverse Torsional Twist Second Rings, 3/16 Inch Low Tension Flex-Vent Oil Rings