Pistons & Piston Rings

Piston Rings, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in., Ductile, Plasma-moly, File Fit, 8-Cylinder, Set

Part Number: UEM-4000BD8-035

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 3.898 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, for Single Piston, Set

Part Number: HSN-2M4897S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.125 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M661

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Ring Compressor, Aluminum, Black Anodized, Non-Adjustable, 3.810 in., Each

Part Number: TSR-RC3810

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Piston Ring Sets, Phosphate Coated, 4.000 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-C5532

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 3.907 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, L8, V8, W8, Set

Part Number: HSN-2M4897010

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Cast Iron, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-683-00

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Piston Rings, Cast Iron, 4.320 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-424X

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Pistons, Cast, Dish, 3.780 in. Bore, AMC, Jeep, Set of 6

Part Number: SLP-470AP30

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.309 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M683060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, 0.020 in. Oversize, 4.085 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 2.5mm, Includes Ring Set for One Piston, Each

Part Number: HSN-2M5292S020

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Moly, 4.087 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-297K30

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: SLP-E-229K30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Moly, 3.776 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-356K40

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 3.789 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4978010

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: SLP-E-296K40

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 3.809 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: HSN-2M4978030

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Moly, 3.571 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-916K50MM

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Moly, 4.360 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-424K40

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Moly, 3.780 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 6-Cylinder, Set

Part Number: SLP-E-222K30

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 25, 2025 if ordered today

• Special Order

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-299S274000-2

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• 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: Today

Piston Rings, Moly, 4.172 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-261K40

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 4.089 in. Bore, 5/64 in., 3/32 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M574040

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Steel, 3.789 in. Bore, 1.5 mm., 1.5 mm., 3.0 mm., Thickness, 8-Cylinder, Set

Part Number: SLP-E-937K25MM

Not Yet Reviewed

Estimated Ship Date: Today