Collection: Composite Piston Rings

63mm ID 400 Thread Molded Plastic Cap

110mm Inside Diameter Plastic Cap with 400 Thread Finish

38mm Plastic Cap with 400 Thread Finish

Molded Plastic Cap, 89mm ID, 400 Thread Finish

110mm ID Molded Plastic Cap with 400 Thread Finish

28mm ID 1802 Thread Finish Plastic Cap

120mm ID 400 Thread Molded Plastic Cap

24mm Plastic Cap with 410 Thread Finish

20mm ID 400 Thread Molded Plastic Cap

100mm ID 400 Thread Molded Plastic Cap

70mm ID G450 Thread Molded Plastic Cap

110mm ID 400 Thread Molded Plastic Cap

38mm Plastic Cap with 439 Thread Finish

40mm Inside Diameter Molded Plastic Cap Seal - Heat-Seal Liner

24mm ID 410 Thread Finish Plastic Cap

58mm ID Molded Plastic Cap with 400 Thread Finish