Ross Pistons Parts and Accessories

79mm (3.110) 1.5, 1.5, 3.0mm Rings

Part Number: ROS-R3113

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Estimated Ship Date: Apr 13, 2026 if ordered today

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79.5mm (3.130) 1.5, 1.5, 3.0mm Rings

Part Number: ROS-R3133

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Estimated Ship Date: Apr 13, 2026 if ordered today

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85.5mm (3.366) 1.5,1.5, 3.0mm

Part Number: ROS-R5047

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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PISTON RINGS

Part Number: ROS-R5150

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Estimated Ship Date: Apr 13, 2026 if ordered today

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81.5mm (3.209) 1, 1.2, 2.8mm G

Part Number: ROS-RN3212

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Estimated Ship Date: Apr 13, 2026 if ordered today

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84mm (3.307) 1, 1.2, 2.8mm GN

Part Number: ROS-RN3310

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84.5mm (3.327) 1, 1.2, 2.8mm G

Part Number: ROS-RN3330

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85.75mm (3.376) 1, 1.2, 2.8mm

Part Number: ROS-RN3379

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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, 4.040 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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Piston Rings, Moly, 4.280 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: ROS-RS-9745-35

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102.1mm (4.020) 1.5, 1.5, 3.0m

Part Number: ROS-R4025

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Estimated Ship Date: Apr 13, 2026 if ordered today

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102.4mm (4.030) .043, .043, 3/

Part Number: ROS-R4035-4

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Estimated Ship Date: Apr 13, 2026 if ordered today

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102.4mm (4.030) .043, 1/16, 3/

Part Number: ROS-R4035-5

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

Part Number: ROS-R4040-16

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

Part Number: ROS-R4045-3

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

Part Number: ROS-R4045-5

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Wrist Pin, Type 1, .912 in. Diameter, 2.950 in. Length, .150 in. Wall, 130 Grams, Each

Part Number: ROS-912-01-29

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Estimated Ship Date: Apr 6, 2026 if ordered today

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

Part Number: ROS-RN3783

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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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.927 x Standard x 2.500 Chamfe

Part Number: ROS-927-01-25C

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Estimated Ship Date: Apr 6, 2026 if ordered today

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.709 xStandard x 2.250 Chamfer

Part Number: ROS-709-01-21C

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Estimated Ship Date: Apr 6, 2026 if ordered today

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748xStdx2.250 Chamfered (67gr)

Part Number: ROS-748-01-22C

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Estimated Ship Date: Apr 6, 2026 if ordered today

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