Wiseco Piston Kit Sub EJ257 WRX/STI 4v Dish -15cc 9.5:1

SUBARU Wiseco Pistons

Subaru EJ257 2.5L 16V WRX STI, 2004 and Up • 2006+ WRXEJ255 • NEW HD FORGING

Kit Part #: K705M9975
Bore mm / Inch: 99.75 / 3.927
Over-size: 0.010
Stroke: 3.110, 79mm
Rod: 5.137, 130.5mm
Comp Ht: 1.209, 30.7mm
Head cc’s: 51cc
Volume: -15cc
Gasket Thickness: .021, .5mm
Deck Clearance: .012, .30mm
Block Ht: 7.913, 201mm
Compression Ratio: 9.5
Pin Part # Included: S805 23mm - .905 x 2.500
Ringset Included: 9975VF
Avg: Wt: -
Foot-note: 1