Engines & Engine Parts at Summit Racing

United Engine and Machine Piston Ring Sets 4000BM8.040

United Engine and Machine Piston Ring Sets 4000BM8.040

Piston Rings, 4.040 in. Bore, 1/16 in., 1/16 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000BM8-040

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United Engine and Machine Piston Ring Sets 4000AM8.060

Piston Rings, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-060

5.0 out of 5 stars ( 2 )

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United Engine and Machine Piston Ring Sets 4000AM8.020

Piston Rings, 4.020 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-020

5.0 out of 5 stars ( 2 )

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United Engine and Machine Wrist Pins 0927X300K

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

Part Number: UEM-0927X300K

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United Engine and Machine Piston Ring Sets 4250BD8.005

Piston Rings, 4.250 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4250BD8-005

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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 4250BD8.065

Piston Rings, 4.310 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4250BD8-065

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United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA552-STDK2

Pistons, Speed of Air, Dimpled, 4032 Forged, 3.780 in. Bore, 3.622 in. Stroke, 6.098 in. Rod, +3.00cc Flat Top, Piston Rings, Chevy, 4.8L, 5.3L, Kit

Part Number: UEM-XA545-STDK2

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Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

United Engine and Machine Piston Ring Sets 4000AM8.040

Piston Rings, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-040

5.0 out of 5 stars ( 1 )

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United Engine and Machine Wrist Pins R61

Wrist Pin, Lightweight, .927 in. Diameter, 2.750 in. Length, 107 Grams, Each

Part Number: UEM-R61

5.0 out of 5 stars ( 1 )

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United Engine and Machine Lock Rings SRW.012

SRW-012 Lock Ring

Part Number: UEM-SRW-012

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Rein Automotive Intake Manifold Adjusting Units ELM0089

Intake Manifold Runner Control Valve, Adjusting Unit, DISA Valve, BMW, L4, Each

Part Number: RIN-ELM0089

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Estimated Ship Date: Apr 3, 2026 if ordered today

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Estimated Ship Date: Apr 3, 2026 if ordered today

United Engine and Machine Lock Rings RRN.86

Lock Rings, Set of 2

Part Number: UEM-RRN-86

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United Engine and Machine Cast Pistons 4501.03

Pistons, Cast, Flat, 3.468 in. Bore, 5/64 in., 3/32 in., 3/32 in., 1/4 in. Ring Grooves, Continental, Set of 4

Part Number: UEM-4501-030

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 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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United Engine and Machine Piston Ring Sets 3910AM8.040

Piston Rings, 3.950 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-3910AM8-040

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United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA531-.030K2

Pistons, Speed of Air, Dimpled Piston, 2618 Forged, 4.010 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, +12.50cc Dish, Piston Rings, Chevy, 6.0L, Kit

Part Number: UEM-XA529-010K2

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Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA7197-0.5K1

Pistons, Hyperformance Pistons, Cerakote, 4.035 in. Bore, 4.724 in. Stroke, 7.568 in. Rod, 44.90cc Dish, Piston Rings, Dodge, Cummins 5.9L, Kit

Part Number: UEM-XA7197-05K1

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United Engine and Machine Lock Rings PRF116.3

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

Part Number: UEM-PRF116-3

2.0 out of 5 stars ( 1 )

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United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA7204-0.75K1

Pistons, Hyperformance Pistons, Cerakote, 3.770 in. Bore, 4.134 in. Stroke, 6.929 in. Rod, 31.90cc Dish, Piston Rings, Ford, Powerstroke 6.0L, Kit

Part Number: UEM-XA7204-075K1

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA529-.065K2

Pistons, Speed of Air, Dimpled Piston, 2618 Forged, 4.030 in. Bore, 3.622 in. Stroke, 6.125 in. Rod, +4.00cc Flat Top, Piston Rings, Chevy, 6.0L, Kit

Part Number: UEM-XA528-030K2

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Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA7217-0.25K1

Pistons, Hyperformance Pistons, Cerakote, 4.120 in. Bore, 4.181 in. Stroke, 7.130 in. Rod, 39.60cc Dish, Piston Rings, Ford, Powerstroke 7.3L, Kit

Part Number: UEM-XA7217-025K1

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Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

United Engine and Machine Piston Ring Sets 4320AM8.030

Ring Set 4.350 bore, .030 oversize, 2-5/64, 1-3/16, moly ring set, qty 8 cyl set

Part Number: UEM-4320AM8-030

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United Engine and Machine Lock Rings PRH113.3

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

Part Number: UEM-PRH113-3

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United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA7218-0.75K2

Pistons, Hyperformance, Cerakote, 4.085 in. Bore, 3.898 in. Stroke, 6.420 in. Rod, 38.00cc Dish, PVD Piston Rings, Chevy, GMC, Duramax 6.6L, Kit

Part Number: UEM-XA7218-075K2

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Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

United Engine and Machine Piston Ring Sets 4250BD8.035

Piston Rings, 4.280 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4250BD8-035

5.0 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