Product Overview CP Pistons 2-N26-4000-0THG CP 1.2mm Cast Iron Back Cut 2nd Ring 4.000 bore Taper Hook Groove (Napier)
CP Pistons CP Pistons 2-MS26-3760-THG CP 1.2mm Steel Napier Back Cut Second Piston Ring 3.76in Bore w/ Taper Hook Groove (Single)
CP Pistons CP Pistons 2-S22-4440-5THG CP Second Piston Ring 1/16 Cast Iron D-Wall 4.440-4.445in Bore w/ Taper Hook Groove (Single)
