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

Part Number: SLP-E-251K

4.22 out of 5 stars ( 46 )

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

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: Monday 10/19/2026 if shipped by air

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

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

Part Number: SUM-133-M139-00

4.5 out of 5 stars ( 6 )

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

Ring Compressor, Tapered, Billet Aluminum, Black Anodized, 4.000 in. Bore, Each

Part Number: ARP-900-0000

4.83 out of 5 stars ( 6 )

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

Piston Ring Compressor, Solid, Aluminum, Black Anodized, 4.000 in. Diameter, Each

Part Number: BTC-BTRRC4000

Not Yet Reviewed

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

Ring Compressor, Aluminum, Black Anodized, 4.000 in. Bore, Each

Part Number: SME-904000

4.94 out of 5 stars ( 86 )

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

Ring Compressor, Aluminum, Red Anodized, 4.00 in. Bore, Each

Part Number: PRO-67448

4.25 out of 5 stars ( 8 )

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