Engines & Engine Parts at Summit Racing

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA7205-0.75K1

Pistons, Hyperformance Pistons, Cerakote, 3.895 in. Bore, 4.134 in. Stroke, 6.929 in. Rod, 37.80cc Dish, Piston Rings, Ford, Powerstroke 6.4L, Kit

Part Number: UEM-XA7205-075K1

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA7223-0.75K1

Pistons, Hyperformance Pistons, Cerakote, 3.925 in. Bore, 4.251 in. Stroke, 6.968 in. Rod, 39.73cc Dish, Piston Rings, Ford, Powerstroke 6.7L, Kit

Part Number: UEM-XA7223-075K1

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Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

United Engine and Machine Wrist Pins 0980X300K

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

Part Number: UEM-0980X300K

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United Engine and Machine Piston Ring Sets 4125AM8.040

United Engine and Machine Piston Ring Sets 4125AM8.040

Piston Rings, 4.165 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4125AM8-040

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

United Engine and Machine Wrist Pins R73

Wrist Pin, Tool Steel, .984 in. Diameter, 2.750 in. Length, 107 Grams, Each

Part Number: UEM-R-73

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

United Engine and Machine Cast Pistons 4537.04

Pistons, Cast, Flat, 3.353 in. Bore, 5/64 in., 3/32 in., 3/32 in., 1/4 in. Ring Grooves, Continental, Set of 6

Part Number: UEM-4537-040

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

United Engine and Machine Piston Ring Sets 4250BD8.125

Piston Rings, 4.375 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4250BD8-125

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA7198-STDK1

Pistons, Hyperformance Pistons, Cerakote, 4.015 in. Bore, 4.724 in. Stroke, 7.568 in. Rod, 47.20cc Dish, Piston Rings, Dodge, Cummins 5.9L, 24V, Kit

Part Number: UEM-XA7198-STDK1

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA552-.070K2

Pistons, Speed of Air, Dimpled, 4032 Forged, 4.070 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, Piston Rings, Chevy, 6.0L, 6.2L, Kit

Part Number: UEM-XA552-070K2

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA7203-0.75K1

Pistons, Hyperformance Pistons, Cerakote, 3.770 in. Bore, 4.134 in. Stroke, 6.929 in. Rod, 32.20cc Dish, Piston Rings, Ford, Powerstroke 6.0L, Kit

Part Number: UEM-XA7203-075K1

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA7223-0.25K1

Pistons, Hyperformance Pistons, Cerakote, 3.905 in. Bore, 4.251 in. Stroke, 6.968 in. Rod, 39.73cc Dish, Piston Rings, Ford, Powerstroke 6.7L, Kit

Part Number: UEM-XA7223-025K1

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

United Engine and Machine Piston Ring Sets 3910AM8.060

Piston Rings, 3.970 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-3910AM8-060

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

United Engine and Machine Piston Ring Sets 4250AM8.060

Piston Rings, 4.310 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4250AM8-060

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

United Engine and Machine Piston Ring Sets 4320BD8.035

Piston Rings, 4.350 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4320BD8-035

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

United Engine and Machine Piston Ring Sets 3875AM8.060

Piston Rings, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-3875AM8-060

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

United Engine and Machine Piston Ring Sets 4165AM8.STD

Piston Rings, 4.165 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4165AM8-STD

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA7212-STDK1

Pistons, Hyperformance, Cerakote, 3.866 in. Bore, 4.134 in. Stroke, 6.929 in. Rod, 38.10cc Dish, Piston Rings, International, MaxxForce 7, 6.4L, Kit

Part Number: UEM-XA7212-STDK1

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

United Engine and Machine Cast Pistons 4538.STD

Pistons, Cast, Flat, 3.438 in. Bore, 5/64 in., 3/32 in., 3/32 in., 1/4 in. Ring Grooves, Continental, Set of 6

Part Number: UEM-4538-STD

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

United Engine and Machine Piston Ring Sets 4250BD8.040

Piston Rings, 4.290 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4250BD8-040

Not Yet Reviewed

Estimated Ship Date: Apr 30, 2026 if ordered today

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Estimated Ship Date: Apr 30, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Piston Rings SUM-135-2M551940

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Estimated Ship Date: Tomorrow

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United Engine and Machine Piston Ring Sets 4000AM8.080

Piston Rings, 4.080 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-080

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

United Engine and Machine Piston Ring Sets 4000AM8.100

Piston Rings, 4.100 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-100

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

United Engine and Machine Piston Ring Sets 4360BD8.020

Piston Rings, 4.380 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4360BD8-020

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

United Engine and Machine Piston Ring Sets 3780BD4.030

"RING SET 3.780 bore, .030 oversize, 2-1/16, 1-3/16, ductile ring set, qty 4 cyl set"

Part Number: UEM-3780BD4030

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Estimated Ship Date: Tomorrow

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Rein Automotive Intake Manifold Adjusting Units ELM0088

Intake Manifold Runner Control Valve, Adjusting Unit, DISA Valve, BMW, L6, Each

Part Number: RIN-ELM0088

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA529-.030K2

Pistons, Speed of Air, Dimpled Piston, 2618 Forged, 4.010 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, Piston Rings, Chevy, 6.0L, Kit

Part Number: UEM-XA528-010K2

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today