Piston Oil Ring Spacers

Oil Ring Support Rail, 4.030-4.059 in. Bore, Spring Steel, Each

Part Number: JEP-4030-183

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Oil Rail Support, Dimpled, 4.038 in. up to 4.075 in. Bore, Each

Part Number: WIS-GLS26

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Piston Oil Ring Spacer, 4.000 in. - 4.040 in. Bore, Each

Part Number: MLE-09290024

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Piston Oil Ring Spacers, United Engine and Machine Oil Ring Support Rails, 4.040 in. Bore, 3.615 in. Ring I.D., Each

Part Number: UEM-R08

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Piston Rings, Oil Support Rail, 4.155 in-4.184 in. Bore, 8g weight, Single Piston, Each

Part Number: JEP-4155-183

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Oil Rail Support, Dimpled, 4.000 in. up to 4.037 in. Bore, Each

Part Number: WIS-GLS25

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Oil Ring Support Rail, 4.125-4.154 in. Bore, Spring Steel, Each

Part Number: JEP-4125-183

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Oil Ring Support Rail, 4.310-4.349 in. Bore, Spring Steel, Each

Part Number: JEP-4310-193

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OIL RAIL SUPPORT

Part Number: JEP-4155-162

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Estimated Ship Date: Oct 7, 2025 if ordered today

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• Special Order

Oil Ring Support Rail, 4.600-4.635 in. Bore, 0.203 in. Radial Depth, Spring Steel, Each

Part Number: JEP-4600-203

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Oil Ring Support Rails, 4.125 in-4.185 in. Bore, 3.mm, Each

Part Number: MLE-9290032

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Oil Rail Support, Dimpled, 4.030 in. up to 4.059 in. Bore, Each

Part Number: WIS-W4954

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Oil Rail Support, Dimpled, 4.155 in. up to 4.193 in. Bore, Each

Part Number: WIS-W4956

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Oil Ring Support Rail, 4.500-4.529 in. Bore, Spring Steel, Each

Part Number: JEP-4500-203

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Oil Rail Support, Dimpled, 3.894 in. up to 3.950 in. Bore, Each

Part Number: WIS-GLS41

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Piston Oil Rail Support, 4.530 in. Min Bore, 4.559 in. Max Bore, 0.030 in. Thick, Each

Part Number: JEP-4530-203

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Oil Rail Support, Dimpled, 4.194 in. up to 4.220 in. Bore, Each

Part Number: WIS-GLS12

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Oil Rail Support, Dimpled, 4.060 in. up to 4.080 in. Bore, Each

Part Number: WIS-W5080

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Oil Rail Support, Dimpled, 4.290 in. up to 4.350 in. Bore, Each

Part Number: WIS-W5159

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Oil Ring Support Rail, 3.999-4.029 in. Bore, Spring Steel, Each

Part Number: JEP-4000-183

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Piston Rings, Oil Support Rail, 4.280 in-4.309 in. Bore, 9g weight, Single Piston, Each

Part Number: JEP-4280-193

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Estimated Ship Date: Oct 7, 2025 if ordered today

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OIL RAIL SUPPORT

Part Number: JEP-4185-183

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Estimated Ship Date: Oct 7, 2025 if ordered today

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Oil Ring Support Rail, 4.350-4.374 in. Bore, Spring Steel, Each

Part Number: JEP-4350-193

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Estimated Ship Date: Oct 7, 2025 if ordered today

• Drop Ship
• Special Order

OIL RAIL SUPPORT

Part Number: JEP-4060-162

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Estimated Ship Date: Oct 7, 2025 if ordered today

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• Special Order

Oil Ring Support Rail, 4.250 in.-4.310 in. Bore, 3/16 in. Thickness, Each

Part Number: MLE-9290040

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Estimated Ship Date: Today