Modern Automotive Performance
Modern Automotive Performance

Wiseco now offers .010 and .050 overbore pistons for popular sport compact powerplants!

Posted on 18 September 2012

Wiseco

Wiseco recently released a boat load of new sport compact piston sizes.  In the past we could only get .020, .040, .060 overbore pistons but the new part numbers listed out below show .010 and .050 options!

Part # Series Description Sizes Now New Sizes Added for 2013 Rings New Part #'s
K598M Subaru EJ257 WRX/STI 4v Dish -19cc 99.5 99.5 & 100MM 99.75 9975VF K598M9975
K542M HONDA TURBO F-TOP 1.176 X 81.5MM 81, 81.5, 82 81.25 8125XX K542M8125
K549M NISSAN VG30 TURBO -9cc 1.260 X 88MM 87, 87.5, 88 87.25 8725XX K549M8725
K550M TOYOTA TURBO -14.8cc 1.338 X 86.5 86, 86.5, 87 86.25 8625XX K550M8625
K541M ACURA TURBO -12cc 1.181 X 81.5MM 81, 81.5, 82 81.25 8125XX K541M8125
K556M NISSAN SR20 TURBO -12cc 1.260 X 865 86, 86.5, 87 86.25 8625XX K556M8625
K615M Toyota 3SGTE 4v Dished -6cc TURBO 86.5 86, 86.5, 87 86.25 8625XX K615M8625
K626M 1400 HD Mitsu EVO 8 - 4G63 Turbo -14cc 85, 85.5, 86, 86.5, 87 85.25, 86.25 8525XX & 8625XX K626M8525, K626M8625
K594M AC/HON B 4v DOME +8.25 STRUT 8500XX 84, 84.5, 85, 85.5, 86 84.25 8425XX K594M8425
K578M NISSAN RB25 DOME 6578M865 86.5 (.020), 87 86.25 8625XX K578M8625
K627M 1400 HD Mitsu EVO 8 - 4G63 Turbo -21cc 85, 85.5, 86, 87, 87.5 85.25, 86.25 8525XX & 8625XX K627M8525, K626M8625
K596M Mitsubishi Lancer EVO 8 Stroker Turbo 85, 85.5, 86 85.25 8525XX K596M8525
K593M AC/HON B 4v DOME +8.25 STRUT 8150XX 81, 81.5, 82 81.25 8125XX K593M8125
K634M Honda K24 w/K20 Head +5cc 12.5:1 CR 87 (.040), 87.5, 89, 89.5 86.5, 87.25, 88 8650XX, 8725XX, 8800XX K634M865, K634M8725, K634M88
K656M Mitsu 4G64 w/4G63 Heads 10.5:1 E85 85, 85.5, 86.5, 87 85.25, 86 8525XX, 8600XX K565M8525, K656M86
K591M NISSAN TURBO DOMED +14cc 1.181 X 86.5 86, 86.5, 87, 87.5,88 86.25, 87.25 8625XX, 8725XX K591M8625, K591M8725
K566M ACURA 4v DOME +5cc STRUTTED 81.5MM 81, 81.5, 82 81.25 8125XX K566M8125
K548M MITS TURBO DISH -17cc 1.378 X 85.5 85, 85.5, 86, 86.5, 87 85.25, 86.25 8525XX, 8625XX K548M8525, K548M8625
K595M Mitsubishi Lancer EVO 8 - 4G63 Turbo 85, 85.5, 86 85.25 8525XX K595M8525
K567M ACURA 4v DOME +2cc STRUTTED 84.0MM 84, 84.5, 85 84.25 8425XX K567M8425

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