Pistons & Piston Rings

Piston Rings, Plasma-moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139030

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Today

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

Part Number: SLP-E-251X

4.23 out of 5 stars ( 13 )

Estimated Ship Date: Today

Piston Rings, Cast Iron, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-139-30

4.64 out of 5 stars ( 22 )

Estimated Ship Date: Today

Piston Rings, Gas Nitrided, 4.070 in. Bore, 0.047 in., 0.047 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4072GFX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Piston Rings, Gas Nitrided, 4.030 in. Bore, 1.2mm, 1.2mm., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4032GFX

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Piston Rings, Cast Iron, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251X30

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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

Part Number: SUM-133-139-40

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

Piston Rings, Phosphate Coated, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-139030

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Piston Wrist Pin, Steel, 0.927 in. Diameter, 2.250 in. Length, 0.200 in. Wall Thickness, Each

Part Number: WIS-S718

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Piston Wrist Pin, H-13 Series, 0.927 in. Diameter, 2.250 in. Length, 0.250 in. Wall Thickness, Chamfered, 153 Grams, H-13 Tool Steel Aloy, Each

Part Number: DPP-H9272250250C

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2026

Piston Rings, Gas Nitrided, 4.125 in. Bore, 0.047 in., 0.047 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4127GFX

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

Piston Rings, Gas Nitrided, 3.903 in. Bore, 0.047 in., 0.047 in. 3.0mm Thickness, Single Piston, Set

Part Number: WIS-3905GFX

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: HSN-2M139040

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Piston Rings, Gas Nitrided, 4.185 in. Bore, 0.047 in., 0.047 in., 3.0mm Thickness, 1-Piston, Set

Part Number: WIS-4188GFM

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2026

Piston Rings, Cast Iron, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-139-60

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Piston, Cast, Dish, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Ring Grooves, Ford, Mercury, 351W, Each

Part Number: SLP-W463P

Not Yet Reviewed

Estimated Ship Date: Today

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

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

Piston Rings, Gas Nitrided, 4.155 in. Bore, 0.047 in., 0.047 in., 3.0mm Thickness, Single Piston, Set

Part Number: WIS-4158GFX

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 10, 2026

Piston Rings, Cast Iron, 4.060 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251X60

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: HSN-2M139020

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Piston Rings, Plasma-moly, 3.850 in. Bore, 1.2mm, 1.2mm, 2.5mm Thickness, Single Piston, Set

Part Number: SLP-R10607100MM

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Premium Ductile Ring Sets, Standard Size, 4.065 in. Bore, Plasma-moly, 1.5mm, 1.5mm, 2.5mm, Includes Ring Set for One Piston, Each

Part Number: HSN-2M5292S

Not Yet Reviewed

Estimated Ship Date: Today

Piston Rings, Premium Piston Ring Sets, Chrome, 4.016 in. Bore, 3.0mm, 2.38mm, 4.0mm Thickness, Single Cylinder Set, L6, Set

Part Number: MAH-S42221

Not Yet Reviewed

Estimated Ship Date: Dec 16, 2026