Engines & Engine Parts at Summit Racing

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA552-.005K2

Pistons, Speed of Air, Dimpled, 2618 Forged, 4.070 in. Bore, 4.000 in. Stroke, 6.125 in. Rod, +20.00cc Dish, Piston Rings, Chevy, 6.0L, 6.2L, Kit

Part Number: UEM-XA532-070K2

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

United Engine and Machine Speed of Air Hyperformance Piston and Ring Kits XA7197-1.0K1

Pistons, Hyperformance Pistons, Cerakote, 4.055 in. Bore, 4.724 in. Stroke, 7.568 in. Rod, 44.90cc Dish, Piston Rings, Dodge, Cummins 5.9L, Kit

Part Number: UEM-XA7197-10K1

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

United Engine and Machine Cast Pistons 4501.04

Pistons, Cast, Flat, 3.478 in. Bore, 5/64 in., 3/32 in., 3/32 in., 1/4 in. Ring Grooves, Continental, Set of 4

Part Number: UEM-4501-040

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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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Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow 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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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

United Engine and Machine Piston Ring Sets 4165AM8.060

Piston Rings, 4.225 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4165AM8-060

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

United Engine and Machine Piston Ring Sets 4000AM8.STD

Piston Rings, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000AM8-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 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 4125BM8.020

Piston Rings, 4.145 in. Bore, 1/16 in., 1/16 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4125BM8-020

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

United Engine and Machine Piston Ring Sets 4342AM8.030

Piston Rings, 4.372 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4342AM8-030

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 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

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

United Engine and Machine Piston Ring Sets 4250AM8.030

Piston Rings, 4.280 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4250AM8-030

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

United Engine and Machine Piston Ring Sets 4000BD8.070

Piston Rings, 4.070 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile Iron, Plasma-moly, 8-Cylinder, Set

Part Number: UEM-4000BD8-070

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

United Engine and Machine Piston Ring Sets 4000BD8.065

Piston Rings, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4000BD8-065

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

United Engine and Machine Piston Ring Sets 4165BD8.065

Piston Rings, 4.225 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4165BD8-065

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

United Engine and Machine Piston Ring Sets 3910AM8.030

Piston Rings, 3.940 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-3910AM8-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

United Engine and Machine Piston Ring Sets 4000BM8.060

Piston Rings, 4.060 in. Bore, 1/16 in., 1/16 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4000BM8-060

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

United Engine and Machine Piston Ring Sets 4165AM8.040

Piston Rings, 4.205 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4165AM8-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 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

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 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: Today

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United Engine and Machine Piston Ring Sets 4000BD8.025

Piston Rings, 4.020 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4000BD8-025

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

United Engine and Machine Piston Ring Sets 4050GM8.030

Piston Rings, 4.080 in. Bore, 5/64 in., 3/32 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4050GM8-030

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

United Engine and Machine Piston Ring Sets 4125AM8.STD

Piston Rings, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4125AM8-STD

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 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

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

United Engine and Machine Piston Ring Sets 4360AM8.040

Piston Rings, 4.400 in. Bore, 5/64 in., 5/64 in., 3/16 in., Iron, Moly, 8-Cylinder, Set

Part Number: UEM-4360AM8-040

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today