1971 Pistons & Piston Rings

Pistons, Forged, Flat, 4.380 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Mopar, Big Block, Set of 8

Part Number: UEM-IC826-060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, Standard Size, 3.875 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M667

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

Piston Rings, Piston Ring Sets, Phosphate Coated, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, for Single Piston, Set

Part Number: HSN-139S

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Estimated Ship Date: Friday 1/2/2026

Forged Pro pistons for Chrysler 360 stroker, 4.030 bore, 1.465 C.H., 4 in. stroke, 6.123 in. rod, 15cc Dish 10.9@60cc, 10.5@63cc, 10.3@65cc, 9.6@73cc

Part Number: SUM-360030STR

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Estimated Ship Date: Friday 1/2/2026

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Piston Rings, Piston Ring Sets, 0.030 in. Oversize, 3.905 in. Bore, Phosphate Coated, 5/64 in., 5/64 in., 3/16 in. Ring Thickness, L8, V8, Set of 8

Part Number: HSN-660030

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Estimated Ship Date: Friday 1/2/2026

Pistons, Hypereutectic, Dish, 4.040 in. Bore, Ford, Set of 8

Part Number: UEM-KB303-040

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Pistons, Premium Forged, 4.290 in. Bore, Dome, 1.912 in. Compression Height, Press/Float Pin, 1/16 x 1/16 x 3/16 Ring Grooves, Mopar, Set of 8

Part Number: UEM-IC687-040

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston and Ring Kit, FHR Forged, Flat, 4.320 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-IC9951KTM070

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Forged Pro pistons for SB Chevy 400 Long Rod, 4.165 bore, 1.125 C.H., 3.75 in. stroke, 6 in. rod, 12cc Dish, 10.5@64cc, 10.2@67cc, 9.8@72cc.

Part Number: SUM-SBC40040L

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Pistons, Forged, Dome, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Big Block, Set of 8

Part Number: UEM-IC9919-040

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Estimated Ship Date: Friday 1/2/2026

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Piston and Ring Kit, Hypereutectic, Flat, 4.360 in. Bore, Mopar, Big Block, Kit

Part Number: UEM-KB237KTM-040

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Estimated Ship Date: Friday 1/2/2026

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Forged Pro pistons for 383 Stroker Chevy Long Rod, 4.060 bore, 1.125 C.H., 3.75 in. stroke, 6 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc

Part Number: SUM-SBC383060L

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Estimated Ship Date: Friday 1/2/2026

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Piston Rings, Moly, 4.140 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-299K20

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Estimated Ship Date: Friday 1/2/2026

Pistons, Forged, Dish, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, Small Block, Set of 8

Part Number: UEM-IC750-030

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Estimated Ship Date: Feb 6, 2026 if ordered today

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1 Set IC9971.040/1 Set 4000BD8.045

Part Number: UEM-IC9971KTD040

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Forged Pro pistons for 302 Windsor, 4.030 bore, 1.605 C.H., 3 in. stroke, 5.090 in. rod, 3cc flat top 9.9@58cc, 9.7@60cc, 9.2@64cc, 9:1@66cc.

Part Number: SUM-SBF302030F

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Estimated Ship Date: Friday 1/2/2026

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Pistons, Cast, Flat, 4.290 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring, Mopar, Big Block, Set of 8

Part Number: UEM-1271-040

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Estimated Ship Date: Feb 9, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.165 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Chevy, Set of 8

Part Number: UEM-9907HC-040

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Estimated Ship Date: Friday 1/2/2026

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Forged Pro pistons for 383 Stroker Chevy, 4.030 bore, 1.425 C.H., 3.75 in. stroke, 5.7 in. rod, 9cc reverse dome 10.5@64cc, 10.1@67cc, 9.7@72cc.

Part Number: SUM-SBC383030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Piston, Forged, Dome, 2-Valve Reliefs, 4.040 in. Bore, 3.750 in. Stroke, 6.000 in. Rod, 1.125 in. Compression, Chevy, Each

Part Number: JEP-140349S

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Estimated Ship Date: Jan 20, 2026 if ordered today

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Pistons, Hypereutectic, Flat, 4.390 in. Bore, Ford, Set of 8

Part Number: UEM-KB368-030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

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Piston and Ring Kit, Hypereutectic, Dome, 4.185 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB160KTM-060

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Feb 5, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Dome, 4.290 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB203KTM-040

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Piston and Ring Kit, Hypereutectic, Flat, 4.290 in. Bore, Chevy, Big Block, Kit

Part Number: UEM-KB202KTM-040

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Estimated Ship Date: Feb 5, 2026 if ordered today

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Piston Rings, Premium Ductile Ring Sets, 0.040 in. Oversize, 3.789 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Ring Thickness, V8, Set of 8

Part Number: HSN-2M568040

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Estimated Ship Date: Friday 1/2/2026