Ross Pistons Pistons & Piston Rings

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

Part Number: ROS-ORS-456

Not Yet Reviewed

Estimated Ship Date: Aug 28, 2025 if ordered today

• Special Order

Piston Oil Ring Spacers, 4.311-4.374 Oil Ring Support, Each

Part Number: ROS-ORS-431

Not Yet Reviewed

Estimated Ship Date: Aug 28, 2025 if ordered today

• Special Order

Wrist Pin, Type 1, .912 in. Diameter, 2.500 in. Length, .142 in. Wall, 110 Grams, Each

Part Number: ROS-912-01-25

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

Wrist Pin, Type 2, .980 in. Diameter, 2.930 in. Length, .090 in. Wall, 95 Grams, Each

Part Number: ROS-980-09-29

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

Wrist Pin, Type 1, .990 in. Diameter, 2.930 in. Length, .150 in. Wall, 149 grams, Each

Part Number: ROS-990-01-29

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

Wrist Pin, Type 1, .984 in. Diameter, 2.930 in. Length, .150 in. Wall, 147 Grams, Each

Part Number: ROS-984-01-29

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

Oil Ring Support Rail, 4.126-4.187 in. Bore, Spring Steel, Each

Part Number: ROS-ORS-412

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

Wrist Pin, Type 1, .866 in. Diameter, 2.720 in. Length, .122 in. Wall, 100 Grams, Each

Part Number: ROS-866-01-27

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

Wrist Pin, Type 1, .905 in. Diameter, 2.500 in. Length, .141 in. Wall, 109 Grams, Each

Part Number: ROS-905-01-25C

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

Piston Oil Ring Spacers, 3.655-3.720 Oil Ring Support, Each

Part Number: ROS-ORS-366

Not Yet Reviewed

Estimated Ship Date: Monday 8/4/2025

Wrist Pin, Type 1, .975 in. Diameter, 2.930 in. Length, .145 in. Wall, 144 Grams, Each

Part Number: ROS-975-01-29

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

Oil Ring Support Rail, 4.470-4.530 in. Bore, Spring Steel, Each

Part Number: ROS-ORS-447

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

Oil Ring Support Rail, 4.000-4.060 in. Bore, Spring Steel, Each

Part Number: ROS-ORS-400

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

Oil Ring Support Rail, 4.061-4.125 in. Bore, Spring Steel, Each

Part Number: ROS-ORS-406

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

OIL RING SUPPORT RAIL, Each

Part Number: ROS-ORS-421

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

PISTON BUTTONS

Part Number: ROS-B462

Not Yet Reviewed

Estimated Ship Date: Aug 28, 2025 if ordered today

• Special Order

1.024 x Standard x 2.500 (138g

Part Number: ROS-024-02-250

Not Yet Reviewed

Estimated Ship Date: Aug 28, 2025 if ordered today

• Special Order

1.040 x Standard x 2.930 (153g

Part Number: ROS-040-01-29

Not Yet Reviewed

Estimated Ship Date: Aug 28, 2025 if ordered today

• Special Order

1.094 x Standard x 2.750 ( 160

Part Number: ROS-094-01-27

Not Yet Reviewed

Estimated Ship Date: Aug 28, 2025 if ordered today

• Special Order

Wrist Pin, Type 1, .787 in. Diameter, 2.500 in. Length, .115 in. Wall, 80 Grams, Each

Part Number: ROS-787-01-25

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

Wrist Pin, Type 1, .927 in. Diameter, 2.500 in. Length, .152 in. Wall, 118 Grams, Each

Part Number: ROS-927-01-25

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

Wrist Pin, Type 1, .927 in. Diameter, 2.950 in. Length, .152 in. Wall, 141 Grams, Each

Part Number: ROS-927-01-29

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

Wrist Pin, Type 1, .980 in. Diameter, 2.930 in. Length, .150 in. Wall, 146 grams, Each

Part Number: ROS-980-01-29

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

Piston Oil Ring Spacers, 4.780-4.840 Oil Ring Support, Each

Part Number: ROS-ORS-478

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order

Piston Oil Ring Spacers, 3.147-3.186 Oil Ring Support, Each

Part Number: ROS-ORS-314

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

• Special Order