Piston Kit Subaru Imprezza WRX STi 2.5L 16V / Engine Code EJ257 '04-21 8.0:1 CR+ HONDA-CR-500-R-1999 Steel kits are made for

Steel kits are made for durability and trouble free operation

Three M16 Threaded Plugs

K8831D200-4

K7023D100-2

K8804D100-4

Piston Kit Subaru Imprezza WRX STi 2.5L 16V / Engine Code EJ257 '04-21 8.0:1 CR+ HONDA-CR-500-R-1999 Steel kits are made forALL PISTON KITS INCLUDE PISTON, RINGS, WRIST PIN, AND RETAINING CLIPS UNLESS NOTED. REPLACEMENT COMPONENTS LISTED BELOW MODEL YEARS BORE SIZE ACTUAL CR IMPREZZA STi 2. 5L 16V 57cc CYLINDER HEAD 2004 2021 99. 50MM 7. 9: 1 99. 75MM 7. 9: 1 100. 00MM 8. 0: 1 100. 50MM 8. 0: 1 IMPREZZA WRX 2. 5L 16V 50cc CYLINDER HEAD 2004 2021 99. 50MM 8. 3: 1 99. 75MM 8. 4: 1 100. 00MM 8. 4: 1 100. 50MM 8. 5: 1 ITEM BORE SIZE PISTON SIZE RING CLIP WRIST PIN K9467DA 99.