Summit Racing Pistons & Piston Rings

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: Monday 1/26/2026

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

Part Number: SUM-133-M139-30

4.63 out of 5 stars ( 19 )

Estimated Ship Date: Monday 1/26/2026

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 1/26/2026

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

Part Number: SUM-133-M139-60

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/26/2026

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: Monday 1/26/2026

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

Part Number: SUM-134-CM553130

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S454000-2

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Piston Rings, Cast Iron, 4.250 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SUM-133-683-00

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/26/2026

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

Part Number: SUM-134-CM553100

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-110S27403020

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S434000-2

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S454040-2

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S434070-2

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S434005-2

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S453898-3

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-110S274030-8

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-299S274000-2

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S434030-2

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S434065-2

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-299S274075-2

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-299S27407512

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-110S274065-6

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-299S27403012

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S43780-7F

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026

Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-110S274040-8

Not Yet Reviewed

Estimated Ship Date: Monday 1/26/2026