Pistons & Piston Rings

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

Part Number: MLE-09290024

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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: Tomorrow

Wrist Pin Lock Ring, C-Clip without Tang, Steel, .945 Pin Diameter, .063 in. Thick, Each

Part Number: MLE-9900539

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

SPIRO LOCK

Part Number: JEP-927-042-SS

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

Part Number: JEP-4125-183

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Estimated Ship Date: Tomorrow

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

Part Number: JEP-4310-193

Not Yet Reviewed

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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: Tomorrow

Piston Pin Locks, Wire Lock, Steel, 0.827 in. Diameter Pin, 0.063 in. Thick, for use on Honda®, Kawasaki, Each

Part Number: CPD-827-063SWL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Wrist Pin Retainer, Wire Lock, 0.990 in. Diameter, .073 in. Thick, Each

Part Number: JEP-990-073-MW

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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: Tomorrow

Wrist Pin Retainer, Spirolox Type, Carbon Steel, 0.042 in. Thick, for 1.031 in. Wrist Pin Diameter, Each

Part Number: JEP-031042CS

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

• Drop Ship
• Special Order

WRIST PIN LOCK EACH

Part Number: DPP-015103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Piston Pin Lock Rings, Round Wire, 0.912 in. Pin, Pair

Part Number: WIS-W5075

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

Part Number: WIS-W4956

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Piston Lock Rings, Wire Lock, Carbon Steel, .990 in. Pin Diameter, 0.072 in. Wire Diameter, Pair

Part Number: WIS-W5242

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Wrist Pin Retainer, Wire Locks, 0.591 in. Diameter, 0.039 in. Thick, Steel, Pair

Part Number: WIS-CW15

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Wrist Pin, 0.912 in. Diameter, 3.000 in. Length, Each

Part Number: UEM-912X300K

Not Yet Reviewed

Estimated Ship Date: Sep 5, 2025 if ordered today

• Special Order

Wrist Pin Lock Ring, C-clip Type, Steel, 0.063 in. Thick, 1.100 in. O.D., 0.927 in. Pin Diameter, Each

Part Number: MLE-6436901

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Wrist Pin Retainers, Spirolox, 1.094 in. Diameter, .020 in. Thick, Each

Part Number: UEM-PRF116-3

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

SUPPORT RAILS 4.600-4.639 WALL .158

Part Number: DPP-019010600

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Drop Ship
• Special Order

Wrist Pin, Lightweight, .927 in. Diameter, 2.500 in. Length, 102 Grams, Each

Part Number: UEM-0927X216K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

SUPPORT RAILS 4.030-4.059 WALL.158

Part Number: DPP-019010030

Not Yet Reviewed

Estimated Ship Date: Sep 11, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: JEP-4500-203

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

Part Number: WIS-W4954

Not Yet Reviewed

Estimated Ship Date: Tomorrow