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

Part Number: SLP-E-251K40

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

Piston Lock Ring Each

Part Number: SLP-LR63

4.36 out of 5 stars ( 11 )

Estimated Ship Date: Today

Ring Compressor, Aluminum, Black Anodized, Adjustable, 4.000 in. to 4.090 in., Each

Part Number: SME-90A4000

4.61 out of 5 stars ( 67 )

Estimated Ship Date: Today

Assembly Lubricant, Piston & Piston Ring, 8 fl.oz. Bottle, Each

Part Number: TSR-AL8

5.0 out of 5 stars ( 16 )

Cannot be shipped Internationally

• Restricted

Dry-Film Lubricant, Quick Seat, Cylinder Wall, 2 grams, Each

Part Number: TSR-QS

4.67 out of 5 stars ( 18 )

Cannot be shipped Internationally

• Restricted

Ring Compressor, Aluminum, Red Anodized, 4.040 in. Bore, Each

Part Number: PRO-67449

4.81 out of 5 stars ( 36 )

Estimated Ship Date: Today

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

Part Number: SUM-133-M139-40

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: SUM-134-CM553140

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: TSR-CR9090-40

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Piston Installation Tool, Nylon Composite, Steel Shot Filled Chamber, Each

Part Number: PRO-67571

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: SUM-135-2M550840

Not Yet Reviewed

Estimated Ship Date: Dec 8, 2026 if ordered today

• Free Shipping
• Special Order