United Engine & Machine Pistons & Piston Rings

Wrist Pin Lock Ring, Spirolox, 0.927 in. Diameter, .071 in. Thick, Each

Part Number: UEM-PRJ100-3

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/28/2025

Wrist Pin Retainers, Spirolox, .990 in. Diameter, Each

Part Number: UEM-PRG110-3

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/28/2025

Lock Ring, Piston Wrist Pin Retainer, C-clip Type, Carbon Steel, 1.040 in. O.D., KB Claimer Series, Each

Part Number: UEM-93

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/28/2025

Wrist Pin, Lightweight, .927 in. Diameter, 3.000 in. Length, 145 Grams, Each

Part Number: UEM-0927X300K

Not Yet Reviewed

Estimated Ship Date: Monday 4/28/2025

Wrist Pin Lock Ring, Spirolox, .912 in. Diameter, .020 in. Thick, Each

Part Number: UEM-PRL99-3

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/28/2025

Wrist Pin Retainers, Spirolox, .981 in. Diameter, 0.072 in. Thick, Each

Part Number: UEM-PRH107-3

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/28/2025

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

Not Yet Reviewed

Estimated Ship Date: Monday 4/28/2025

SRW-012 Lock Ring

Part Number: UEM-SRW-012

Not Yet Reviewed

Estimated Ship Date: Monday 4/28/2025

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: Monday 4/28/2025

Wrist Pin Retainers, Spirolox, 1.030 in. Diameter, Each

Part Number: UEM-PRH113-3

Not Yet Reviewed

Estimated Ship Date: Monday 4/28/2025

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

Part Number: UEM-927X216K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 20, 2025 if ordered today

• Special Order

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

Part Number: UEM-912X300K

Not Yet Reviewed

Estimated Ship Date: Monday 4/28/2025

Wrist Pin, Lightweight, .980 in. Diameter, 3.000 in. Length, 149 Grams, Each

Part Number: UEM-0980X300K

Not Yet Reviewed

Estimated Ship Date: May 20, 2025 if ordered today

• Special Order

R-108 Spacer Ring

Part Number: UEM-R-108

Not Yet Reviewed

Estimated Ship Date: May 20, 2025 if ordered today

• Special Order

Piston Wrist Pin Retainers, Sprialox, Steel, 0.792 in. Pin, Keith Black Pistons, Harley-Davidson®, Each

Part Number: UEM-RRN81

Not Yet Reviewed

Estimated Ship Date: May 20, 2025 if ordered today

• Special Order

Lock Rings, Set of 2

Part Number: UEM-RRN-86

Not Yet Reviewed

Estimated Ship Date: May 23, 2025 if ordered today

• Special Order

R-102 Spacer Ring

Part Number: UEM-R-102

Not Yet Reviewed

Estimated Ship Date: May 20, 2025 if ordered today

• Special Order

R-76 Spacer Ring

Part Number: UEM-R-76

Not Yet Reviewed

Estimated Ship Date: Monday 4/28/2025

R-93 Spacer Ring

Part Number: UEM-R-93

Not Yet Reviewed

Estimated Ship Date: Monday 4/28/2025

R-78 Spacer Ring

Part Number: UEM-R-78

Not Yet Reviewed

Estimated Ship Date: May 20, 2025 if ordered today

• Special Order

R-79 Spacer Ring

Part Number: UEM-R-79

Not Yet Reviewed

Estimated Ship Date: May 20, 2025 if ordered today

• Special Order

R-88 Spacer Ring

Part Number: UEM-R-88

Not Yet Reviewed

Estimated Ship Date: May 20, 2025 if ordered today

• Special Order

R-99 Spacer Ring

Part Number: UEM-R-99

Not Yet Reviewed

Estimated Ship Date: May 20, 2025 if ordered today

• Special Order

PISTON RAILS

Part Number: UEM-R137

Not Yet Reviewed

Estimated Ship Date: May 20, 2025 if ordered today

• Special Order

R-75 Spacer Ring

Part Number: UEM-R-75

Not Yet Reviewed

Estimated Ship Date: May 20, 2025 if ordered today

• Special Order