Ross Pistons Pistons & Piston Rings

86mm (3.386) 1, 1.2, 2.8mm GN

Part Number: ROS-RN3389

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86.25mm (3.396) 1, 1.2, 2.8mm

Part Number: ROS-RN3399

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PISTON RINGS

Part Number: ROS-RN3428

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Piston Rings, Steel, Gas Nitrided, 3.445 in. Bore, File Fit, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston, Set

Part Number: ROS-RN3448

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Piston Rings, Steel, Gas Nitrided, 3.524 in. Bore, File Fit, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston, Set

Part Number: ROS-RN3527

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91.6mm (3.607) 1, 1.2, 2.8mm G

Part Number: ROS-RN3610

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91.8mm (3.617) 1, 1.2, 2.8mm G

Part Number: ROS-RN3620

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92.5mm (3.642) 1, 1.2, 2.8mm G

Part Number: ROS-RN3645

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95.5mm (3.760) 1, 1.2, 2.8mm G

Part Number: ROS-RN3763

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96mm (3.780) 1, 1.2, 2.8mm GN

Part Number: ROS-RN3783

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3.312 Bore 1.5, 1.5, 3.0 Ring

Part Number: ROS-RS-1001

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4.080 Bore 1.2, 1.2, 3.0 Ring

Part Number: ROS-RS-1009

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Piston Rings, Moly, 4.165 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: ROS-RS-10248-45

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Piston Rings, Moly, 4.500 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: ROS-RS-10451-05

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PISTON RINGS

Part Number: ROS-RS-10451-35

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Piston Rings, Moly, 4.040 in. Bore, File Fit, 1/16 in., 1/16 in., 1/8 in. Thickness, 8-Cylinder, Set

Part Number: ROS-RS-9342-45

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Piston Rings, Moly, 4.030 in. Bore, File Fit, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: ROS-RS-9343-35

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4.285 Bore 5/64, 5/64, 3/16 Ri

Part Number: ROS-RS-9590-35

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4.315 Bore 5/64, 5/64, 3/16 Ri

Part Number: ROS-RS-9590-65

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Piston Rings, Moly, 4.250 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: ROS-RS-9745-05

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102.5mm (4.035) 1/16, 1/16, 3m

Part Number: ROS-R4045-16

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Estimated Ship Date: Dec 10, 2025 if ordered today

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102.6mm (4.040) .043, .043, 3m

Part Number: ROS-R4045-3

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Estimated Ship Date: Dec 10, 2025 if ordered today

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102.6mm (4.040) 1/16, 1/16, 3/

Part Number: ROS-R4045-316

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Estimated Ship Date: Dec 10, 2025 if ordered today

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102.4mm (4.040) .043, .043, 3/

Part Number: ROS-R4045-4

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Estimated Ship Date: Dec 10, 2025 if ordered today

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102.6mm (4.040) .043, 1/16, 3/

Part Number: ROS-R4045-5

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Estimated Ship Date: Dec 10, 2025 if ordered today

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