Pistons & Piston Rings

Wrist Pin Retainer, Spirolox, .490 in. Diameter, .035 in. Thick, Each

Part Number: JEP-490-035-CS

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Estimated Ship Date: Mar 26, 2026 if ordered today

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Wrist Pin Lock, Steel, Spirolox-Style, .042 in. Thick, 1.013 in. Outside Diameter, Each

Part Number: ROS-4004-D

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Ring, Ductile Iron, Napier, 4.067 in. Bore, 1.2mm, Second Ring, Each

Part Number: DPP-09-FSX4067

5.0 out of 5 stars ( 1 )

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Piston Pin Lock Rings, Round Wire, 0.748 in. Pin, Pair

Part Number: WIS-CW19

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Estimated Ship Date: Apr 1, 2026 if ordered today

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OIL RAIL SUPPORT

Part Number: JEP-3465-142

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Estimated Ship Date: Mar 26, 2026 if ordered today

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SUPPORT RAILS 4.155-4.194 WALL .188

Part Number: DPP-019000155

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Estimated Ship Date: Apr 13, 2026 if ordered today

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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: Mar 26, 2026 if ordered today

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Piston Rings, Performance, Napier, Second Ring, 4.615 in. Bore, 1/16 in. Thickness, 0.170 in. Ring Width, Each

Part Number: MAH-3021237B

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Lock, Carbon Steel, Spiro, 1.089-1.099 in., Each

Part Number: JEP-094-050-CT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

OIL RAIL SUPPORT

Part Number: JEP-4155-162

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Estimated Ship Date: Mar 26, 2026 if ordered today

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OIL RAIL SUPPORT

Part Number: JEP-4185-183

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Estimated Ship Date: Mar 26, 2026 if ordered today

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Clips (each) w/o tang, 23mm x 1.6mm Round Wire Lock

Part Number: MLE-9315805

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Wrist Pin Lock Ring, Wire Lock with Tang, Steel, 0.944 in./24mm Pin Diameter, 0.062 in. Thick, Each

Part Number: MLE-6442412

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Piston Rings, Oil Support Rail, 4.060 in-4.079 in. Bore, 8g weight, Single Piston, Each

Part Number: JEP-4060-183

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Estimated Ship Date: Today

Piston Lock Ring, Steel, 0812 in. Dia., 0.042 Thick, Each

Part Number: JEP-812-042-CS

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Estimated Ship Date: Mar 26, 2026 if ordered today

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Wrist Pin Locks, Wire Lock, 0.748 in. Pin Diameter, Chrome Silicon, 0.050 in. Thick, Each

Part Number: JEP-748-050-MW

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Estimated Ship Date: Mar 26, 2026 if ordered today

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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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Estimated Ship Date: Today

FLAT WIRE SPIRAL PIN LOCKS 13MM(PR)

Part Number: WIS-CS13

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Estimated Ship Date: Apr 1, 2026 if ordered today

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Oil Rail Support, Dimpled, 3.970 in. up to 4.029 in. Bore, Each

Part Number: WIS-W4953

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Oil Rail Support, 3.365 in. up to 3.406 in. Bore, Each

Part Number: WIS-GLS33

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Estimated Ship Date: Apr 1, 2026 if ordered today

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SUPPORT RAILS 4.600-4.639 WALL .158

Part Number: DPP-019010600

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Estimated Ship Date: Apr 13, 2026 if ordered today

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SUPPORT RAILS 3.905-3.944 WALL .188

Part Number: DPP-019001905

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Estimated Ship Date: Apr 13, 2026 if ordered today

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SUPPORT RAILS 4.030-4.059 WALL.158

Part Number: DPP-019010030

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Estimated Ship Date: Apr 13, 2026 if ordered today

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OIL RAIL SUPPORT

Part Number: JEP-3425-122

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Estimated Ship Date: Mar 26, 2026 if ordered today

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Piston Oil Ring Spacer, Support Rail, 3.898 in.-3.947 in. Bore, 2mm Thick, Each

Part Number: MLE-9301947

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Estimated Ship Date: Today