Pistons & Piston Rings

Piston Rings, Premium Piston Ring Sets, Plasma-moly, 4.140 in. Bore, 3.14mm, 2.5mm, 3.45mm Thickness, Single Cylinder Set, V8, Set

Part Number: MAH-S42104030

Not Yet Reviewed

Estimated Ship Date: Monday 7/14/2025

Piston, Pro LS, 4.030 in. Bore, Forged Aluminum, Dish, 0.927 Pin Diameter, Chevy, Each

Part Number: SUM-299S27403012

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

• Special Order

Piston Rings, Moly, 4.030 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, 8-Cylinder, Set

Part Number: SLP-E-908K30

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

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: Monday 7/14/2025

Piston, Replacement, Pro Tru Street, Forged Aluminum, Flat Top, 4.155 In. Bore, 1/16 in. x 1/16 in. x 3/16 in. Ring Thickness, Chevy, 7.0L, Each

Part Number: WIS-5507A3

Not Yet Reviewed

Estimated Ship Date: Monday 7/14/2025

Piston Rings, Plasma-moly, 4.020 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41858CP020

Not Yet Reviewed

Estimated Ship Date: Monday 7/14/2025

Premium Piston Ring Set;

Part Number: SLP-E-245K60

Not Yet Reviewed

Estimated Ship Date: Monday 7/14/2025

Piston, OE Replacement, Cast Aluminum, Dish, 4.020 in. Bore, Chevy, Small Block, Each

Part Number: MAH-S0059

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Drop Ship
• Special Order

Piston Rings, Original Premium Piston Ring Sets, Plasma-moly, 3.917 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, V8, Set

Part Number: MAH-41904CP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

Piston Rings, Performance Series, 4.030 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in., 8-Cylinder, Set

Part Number: MLE-4035ML

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/14/2025

• Free Shipping

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: Monday 7/14/2025

Ring Compressor, Aluminum, Black Anodized, Non-Adjustable, 4.185 in., Each

Part Number: TSR-RC4185

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/14/2025

Piston Rings, Premium Ductile Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 5/64 in., 5/64 in., 3/16 in. Thickness, H6, L6, V6, Set of 6

Part Number: HSN-2M592030

Not Yet Reviewed

Estimated Ship Date: Monday 7/14/2025

Pistons, Hypereutectic, Dish, 86mm Bore, 1.5mm, 1.5mm, 2.5mm Ring Grooves, GM, L4, Set of 4

Part Number: UEM-3495HC-STD

Not Yet Reviewed

Estimated Ship Date: Monday 7/14/2025

Piston Rings, Ceramic PVD, 4.016 in. Bore, 3.0mm, 2.35mm, 4.0mm Thickness, 6-Cylinder, Set

Part Number: HSN-2D4914

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

• Free Shipping

Piston Rings, Moly, 4.093 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-232K

Not Yet Reviewed

Estimated Ship Date: Monday 7/14/2025

Piston Rings, Plasma-moly, 3.820 in. Bore, 1.5mm, 1.5mm, 3.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-41859CP040

Not Yet Reviewed

Estimated Ship Date: Monday 7/14/2025

Piston Rings, Moly, 3.905 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, 6-Cylinder, Set

Part Number: SLP-E-925K30

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/14/2025

Piston Rings, Plasma-moly, 4.000 in. Bore, 1.5mm, 1.5mm, 4.0mm Thickness, 8-Cylinder, Set

Part Number: MAH-51497CP

Not Yet Reviewed

Estimated Ship Date: Monday 7/14/2025

Piston Rings, Moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. 6-Cylinder, 0.190 in. Deep Groove, VIN Z, Set

Part Number: SLP-E-459K

Not Yet Reviewed

Estimated Ship Date: Monday 7/14/2025

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: Monday 7/14/2025

Comp Series L92 DS 4.125B/4.000S/6.125R/

Part Number: DPP-11556-R1

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

• Special Order

Engine Piston, Yamaha 25/30 HP 2374KD

Part Number: WIS-3189P3

Not Yet Reviewed

Estimated Ship Date: Aug 6, 2025 if ordered today

• Drop Ship
• Special Order

Piston, Pro LS, 3.780 in. Bore, Forged Aluminum, Dome, 0.943 Pin Diameter, Chevy, Each

Part Number: SUM-326S43780-2F

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

• Special Order

PISTON

Part Number: WIS-3137SS

Not Yet Reviewed

Estimated Ship Date: Monday 7/14/2025