Tomei Powered EJ26KIT/FORGED CRANKSHAFT - Manual (Page 9)

(2) PISTON RING CONFIRMATION
Note the positioning of the Piston Rings when installing the Tomei Piston Kit.
① Piston Ring Upper & Lower Side
Install the ring with the ring mark facing up.
② Oil Ring Side Rail Gap
The Oil Ring Side Rail Stopper must
be positioned against the raised
stopper part of the Piston (as shown
on the left).
Top Ring
Second Ring
Ring Mark
Piston Mark
9
③ Piston Gap
Lower Side Rail Stopper. Side Rail Upper Side Stopper.
Oil Ring Stopper.
Piston Mark
Oil Ring expander
Secondary Ring & Oil Ring lower
side rail
Top Ring
Oil Ring upper side rail
9