Ross Pistons Parts and Accessories

Oil Ring Support Rail, 4.591-4.625 in. Bore, Spring Steel, Each

Part Number: ROS-ORS-456

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Estimated Ship Date: May 22, 2026 if ordered today

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Piston, Forged, Dish, 4.030 in. Bore, Ford, Mercury, Set of 8

Part Number: ROS-99801

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Estimated Ship Date: May 22, 2026 if ordered today

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OIL RING SUPPORT RAIL, Each

Part Number: ROS-ORS-421

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Estimated Ship Date: May 22, 2026 if ordered today

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Pistons, Forged, Dish, 89.5mm Bore, Nissan, KA24, Set

Part Number: ROS-99882

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Estimated Ship Date: May 22, 2026 if ordered today

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Piston, Forged, Dome, 4.030 in. Bore, Ford, Mercury, Set of 8

Part Number: ROS-80552

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Estimated Ship Date: May 22, 2026 if ordered today

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Pistons, Stroker, Forged, Flat, 4.280 in. Bore, 3.75 Stroke, 1/16 in. 1/16 in. 3/16 in., Mopar B, Set of 8

Part Number: ROS-99894

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Estimated Ship Date: May 22, 2026 if ordered today

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PISTON WRIST PIN

Part Number: ROS-927-15-25

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Estimated Ship Date: May 22, 2026 if ordered today

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Piston, Forged, Dome, 4.155 in. Bore, Chevy, Small Block, Each

Part Number: ROS-W95661R

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Estimated Ship Date: May 22, 2026 if ordered today

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82mm (3.228) 1, 1.2, 2.8mm GN

Part Number: ROS-RN3231

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Estimated Ship Date: May 21, 2026 if ordered today

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83mm (3.268) 1, 1.2, 2.8mm GN

Part Number: ROS-RN3271

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Estimated Ship Date: May 21, 2026 if ordered today

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76mm (2.992) 1.2, 1.5, 2.8mm Rings

Part Number: ROS-R2995

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Estimated Ship Date: May 21, 2026 if ordered today

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Piston Rings, Moly, 4.390 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: ROS-RS9374-35

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84.75mm (3.337) 1.5, 1.5, 3.0mm Rings

Part Number: ROS-R3340

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Estimated Ship Date: May 21, 2026 if ordered today

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Piston Rings, Plasma-Moly, 103.100mm Bore, 1.5mm 1.5mm 3.0mm Thickness, 8-Cylinder, Set

Part Number: ROS-R4065

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Estimated Ship Date: May 21, 2026 if ordered today

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

Part Number: ROS-R4035-3

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Estimated Ship Date: May 21, 2026 if ordered today

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PISTON RINGS

Part Number: ROS-RS-10451-35

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

Part Number: ROS-RS10375-40

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Piston Rings, Steel, Gas Nitrided, 3.366 in. Bore, File Fit, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston, Set

Part Number: ROS-RN3369

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Estimated Ship Date: May 21, 2026 if ordered today

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82.75mm (3.258) 1.5, 1.5, 3.0m

Part Number: ROS-R3261

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Estimated Ship Date: May 21, 2026 if ordered today

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102.4mm (4.030) 1.5, 1.5, 3.0m

Part Number: ROS-R4035

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Estimated Ship Date: May 21, 2026 if ordered today

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

Part Number: ROS-RN3610

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97mm (3.812) 1.5, 1.5, 3.0mm R

Part Number: ROS-R3816

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Estimated Ship Date: May 21, 2026 if ordered today

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75.75mm (2.982) 1.2, 1.5, 2.8mm Rings

Part Number: ROS-R2985

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Estimated Ship Date: May 21, 2026 if ordered today

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88.75mm (3.494) 1.5, 1.5, 3.0m

Part Number: ROS-R3497

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Estimated Ship Date: May 21, 2026 if ordered today

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Piston Rings, Moly, 4.125 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: ROS-RS10248-05

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