1966 Pistons & Piston Rings

Piston Rings, Plasma-moly, 4.080 in. Bore, 5/64 in., 3/32 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M574030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Piston Rings, Phosphate Coated, 4.039 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-139040

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Pistons, Hypereutectic, Flat, 4.090 in. Bore, 5/64 in., 3/32 in. 3/16 in. Ring Grooves, Ford, Set of 8

Part Number: UEM-1131H-040

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Piston and Ring Kits, Premium, Forged 2618 Aluminum, 4.290 in. Bore, 3.760 in. Stroke, Dome, Chevy, Big Block, Set of 8

Part Number: UEM-IC988KTD-040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Rings, Piston Ring Sets, Phosphate Coated, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, for Single Piston, Set

Part Number: HSN-139S030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Piston and Ring Kit, Hypereutectic, Step Dish, 4.080 in. Bore, Ford, Big Block FE, Kit

Part Number: UEM-KB150KTM-030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Pistons, Forged, Flat, 4.360 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Mopar, Big Block, Set of 8

Part Number: UEM-IC826-040

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Pistons, Forged, Dome, 4.154 in. Bore, Chevy, Set of 8

Part Number: SLP-L2240NF60

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Piston and Ring Kit, Hypereutectic, Step Dish, 4.170 in. Bore, Ford, Big Block FE, Kit

Part Number: UEM-KB378KTM-040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Set, 389 Early Pontiac 2-FX Series -2cc Early Flat Top Piston Set. 4.120 bore

Part Number: DMS-2-6102-4120

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: SLP-E-251X20

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Engine Piston Ring Set, 8-Cyl Ring Set; Phosphate

Part Number: HSN-6302

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Piston Rings, Cast Iron, 3.780 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-240X30

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Piston Rings, Moly, 3.915 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-245K40

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

Part Number: SLP-E-178K60

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Piston Rings, Moly, 3.935 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: SLP-E-234K60

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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

Part Number: SLP-E-251KC40

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Pistons, Hypereutectic, Step, 4.110 in. Bore, Ford, Big Block FE, Set of 8

Part Number: UEM-KB150-060

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston, Forged, Dish, 4.170 in. Bore, Ford, Mercury, Set of 8

Part Number: SLP-L2303NF40

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Pistons, Cast, Dish, 4.080 in. Bore, 5/64 in., 3/32 in. 3/16 in. Ring Grooves, Ford, Big Block FE, Set of 8

Part Number: UEM-1130-030

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Piston and Ring Kit, Hypereutectic, Dome, 3.935 in. Bore, Chevy, Small Block, Kit

Part Number: UEM-KB166KTM-060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M8542030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

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

Part Number: UEM-IC822KTD-040

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.350 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M692030

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Piston Set, 327 SBC 1-FX Series -5cc Flat Top Piston Set. 4.060 bore

Part Number: DMS-1-2200-4060

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order