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: Monday 10/19/2026 if shipped by air

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

Part Number: PRO-67449

4.81 out of 5 stars ( 36 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Piston Ring Compressor, 4.040 in. Bore, Tapered, Non-Adjustable, Aluminum, Black Anodized, Each

Part Number: TSR-RC4040

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

Piston Ring Compressor, Tapered, Aluminum, Black Anodized, 4.040 in. Diameter, Each

Part Number: STF-41330

Not Yet Reviewed

Estimated Ship Date: Nov 23, 2026 if ordered today

• Special Order

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 if shipped by air

• 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 if shipped by air

• Restricted