NP22110370A 
N03215, N3215, N03856, N3856 
Piston ring set. Fits N03215, N03856 (70mm) 
FUNCTION/RATING: 70mm OD.
TIP/NOTE: Install with ring gaps at 90 degrees of each other. 

NP22110371A 
N01462, N1462 
Piston ring set. Fits N01462 (36mm) 
FUNCTION/RATING: 36mm.
TIP/NOTE: Install with gap at 90 degrees of one another. It is suggested to convert to 32mm cylinder version. 

NP22110376A 
N4158, N04158 
Piston ring set. Fits N04158 (36mm) 
FUNCTION/RATING: 36mm OD.
TIP/NOTE: Install with gaps at 90 degrees of one another. 

NP22110377A 
N01787, N1787 
Piston ring set. Fits N01787 (88mm) 
FUNCTION/RATING: 88mm OD.
TIP/NOTE: Install with gaps at 90 degrees of one another. 

NP22110383A 
N01084 
Piston ring set. Fits N01084 (22mm) 
FUNCTION/RATING: 22mm OD.
TIP/NOTE: Install with gaps at 90 degrees of one another. 

NP22110384A 
N01082 
Piston ring set. Fits N01082 (45mm) 
FUNCTION/RATING: 45mm.
TIP/NOTE: Install with gaps at 90 degrees of one another. 

NP22110385A 
N01080, N1080 
Piston ring set. Fits N01080 (88mm) 
FUNCTION/RATING: 88mm OD.
TIP/NOTE: Install with gaps at 90 degrees of one another. 

NP22110389A 
N01461, N1461, N02257, N2257 
Piston ring set. Fits N01461, N02257 (60mm) 
FUNCTION/RATING: 60mm.
TIP/NOTE: Install with gaps at 90 dgrees of one another. 

NP22110390A 
N16313, N04375, N4375 
Piston ring set. Fits N16313, N04375. (32mm) 
FUNCTION/RATING: 32mm OD. 

NP22110391A 
N2963, N02963 
Piston ring set. Fits N02963 (120mm) 
FUNCTION/RATING: 120mm OD.
TIP/NOTE: Install with gaps at 90 dgrees of one another. 

NP22110392A 
N15816 
Piston ring set. Fits N15816 (28mm) 
FUNCTION/RATING: 28mm.
TIP/NOTE: Install with ring gaps at 90 degrees of one another. 

NP22110393A 
N04206, N4206 
Piston ring set. Fits N04206 (60mm) 
FUNCTION/RATING: 60mm OD.
TIP/NOTE: Install with gaps at 90 degrees of each other. 

NP22110422A 
N18861 
Piston ring set. Fits N18861 (88mm) 
FUNCTION/RATING: 88mm OD.
TIP/NOTE: Install with gaps at 90 degrees of one another. 

NP22110423A 
N02001, N2001 
Piston ring set. Fits N02001 (60mm) 
FUNCTION/RATING: 60mm OD.
TIP/NOTE: Install with gaps at 90 degrees of one another. 

NP22110424A 
N25396 
Piston ring set . Fits N25396 (88mm) 
FUNCTION/RATING: 88mm OD.
TIP/NOTE: Install with gaps at 90 degrees of one another. 

NP22110425A 
N19833 
Piston ring set. Fits N19833 (28mm) 
FUNCTION/RATING: 28mm OD.
TIP/NOTE: Install with gaps at 90 degrees of one another. 

NP22110426A 
N04859, N4859, N04205, N4205, N2142, N02142 
Piston ring set. Fits N04859 (28mm) 
FUNCTION/RATING: 28mm OD.
TIP/NOTE: Install with gaps at 90 degrees of one another. 

NP22110427A 
N17039 
Piston ring set. Fits N17039 (120mm) 
FUNCTION/RATING: 120mm OD.
TIP/NOTE: Install with gaps at 90 degrees of one another. 

NP22110461A 
N04642, N4642 
Piston ring set. Fits N04642 (130mm) 
FUNCTION/RATING: 130mm OD.
TIP/NOTE: Install with gaps at 90 degrees of one another. 

NP22110599A 
N04386, N4386 
Piston ring set. Fits N04386 (130mm) 
FUNCTION/RATING: 130mm OD, set consists of 5 pieces.
TIP/NOTE: Install with gaps at 90 degrees of one another. 

NP22110600A 
N18451 
Piston ring set. Fits N18451 (36mm) 
FUNCTION/RATING: 36mm OD, set consists of 5 pieces.
TIP/NOTE: Install with gaps at 90 degrees of one another. 

NP22110601A 
N2647, N02647 
Piston ring set. Fits N02647 (36mm) 
FUNCTION/RATING: 36mm OD, set consists of 5 pieces.
TIP/NOTE: Install with gaps at 90 degrees of one another. 

NP22110854A 
N25842, N17040 
Piston ring set, resin. Fits N25842 
FUNCTION/RATING: First stage ring set.
TIP/NOTE: Cylinder interior has special coating  DO NOT HONE! Install with gaps at 90 degrees. For versions with 6 bolt 1st stage and oblong intake filter  also order one guide ring (NP22110879A). 
