1991 Pistons & Piston Rings

Pistons, Hypereutectic, Flat, 4.420 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-KB137-060

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Piston and Ring Kit, Hypereutectic, Flat, 3.950 in. Bore, Chrysler, Kit

Part Number: UEM-KB167KTM-040

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

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Pistons, Professional Series, Forged Aluminum, Dome, 4.625 in. Bore, Chevy, Big Block, Set of 8

Part Number: WIS-K493B125

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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• Special Order

Pistons, Forged, Flat, 4.040 in. Bore, Ford, Set of 8

Part Number: SUM-17370FC-40

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Estimated Ship Date: Monday 1/5/2026

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Pistons, Pro Tru Street Pistons, 4.040 in. Bore, Forged, Flat Top, 1/16 in., 1/16 in., 3/16 in. Rings, Chevrolet, Kit

Part Number: WIS-PTS503A4

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Estimated Ship Date: Monday 1/5/2026

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Piston Rings, Phosphate Coated, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-139

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/5/2026

Piston Rings, Moly, 3.766 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 0.200 in. Deep Oil Ring Groove, 8-Cylinder, Set

Part Number: SLP-E-356K30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 3.898 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, L8, V8, Set of 8

Part Number: HSN-2M4897

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

Pistons, Hypereutectic, Dished, 4.040 in. Bore, Chevy, Set of 8

Part Number: SUM-17383C-40

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Pistons, Forged, Flat, 4.000 in. Bore, 302 Ford, Set of 8

Part Number: DMS-8720-4000

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

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Pistons, Hypereutectic, Flat, 4.040 in. Bore, 3.75 in. Stroke, Chevy, Set of 8

Part Number: SLP-H860CP40

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

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Pistons, SX-Series, Forged, Dish, 4.030 in. Bore, Ford, Set of 8

Part Number: DMS-8763-4030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Piston Rings, Moly, 90.200mm/3.551 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-916K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

Pistons, E-Series, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: DMS-8715-4030

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

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Pistons, Hypereutectic, Dome, 4.280 in. Bore, Chevy, Set of 8

Part Number: UEM-KB203-030

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Pistons, Forged, Flat, 4.040 in. Bore, Chevy, Set of 8

Part Number: SUM-17365FC-40

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

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Piston and Ring Kit, PowerPak, Forged, Chevrolet, Small Block, Kit

Part Number: MLE-930200330

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Pistons, PowerPak Piston and Ring Kits, 4.030 in. Bore, Forged Aluminum, Flat Top, Rings, Chevrolet, 302/327/350 Small Block, Set of 8

Part Number: MLE-930203630

Not Yet Reviewed

Estimated Ship Date: Monday 1/5/2026

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Pistons, Hypereutectic, Flat, 4.020 in. Bore, Ford, Set of 8

Part Number: SLP-H273CP20

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

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

Part Number: SLP-E-251X40

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

Pistons, E-Series, Forged, Flat, 4.030 in. Bore, Ford, Set of 8

Part Number: DMS-8750-4030

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

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Pistons, Hypereutectic, Dome, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9904HC-030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

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Piston and Ring Kit, Hypereutectic, Flat, 4.030 in. Bore, Ford, Kit

Part Number: UEM-KB151KTM-030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

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Pistons, Hypereutectic, Flat, 4.030 in. Bore, Chevy, Set of 8

Part Number: UEM-KB120-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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Piston and Ring Kit, PowerPak, Forged, Chevy, Big Block, Kit

Part Number: MLE-928965300

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/5/2026

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