Wossner Subaru Impreza WRX STI 2.1 16v Stroker Forged Piston Kit Bore Size:93mm – K9538D100 5mmStroke: 86mmCompression Height: 30mmOEM Comp

5mmStroke: 86mmCompression Height: 30mmOEM Comp Ratio: 11

5mm – K9549DA

85mm                                                                                       Stroke: 66mmCompression Height: 34mmOEM Comp Ratio: 8

Specs:Build years: 1993 - 1998Engine Code: C20XEEngine Type: 2

Wossner Subaru Impreza WRX STI 2.1 16v Stroker Forged Piston Kit Bore Size:93mm – K9538D100 5mmStroke: 86mmCompression Height: 30mmOEM CompThis Wossner Subaru Impreza WRX STI 2. 1 16v Stroker Forged Piston Kit includes the following components: 4x Wossner Forged Pistons Piston Rings Pins and Clips Specs: Build years: 1992 1998 Engine Code: EJ20Bore Size: 92. 5mm K9538D050, 93mm K9538D100 Stroke: 79mmCompression Height: 31mmOEM Comp Ratio: 9. 0: 1Number of Rings: 3Clip Part Number: CW23 Pin Part Number: WP143 SP Cylinders: 4 Valves Per Cylinder: 4 These pistons will fit both stock and