Piston Kit Subaru Imprezza WRX STi 2.5L 16V / Engine Code EJ257 '04-21 8.0:1 CR+ OVERSIZE:STD K7058D100-2

K7058D100-2

Diamond honed for precise sizing and optimal ring seal

K8747D260-4

K8700D260-4

2004 - 2021

Piston Kit Subaru Imprezza WRX STi 2.5L 16V / Engine Code EJ257 '04-21 8.0:1 CR+ OVERSIZE:STD K7058D100-2ALL 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.