Wossner Subaru Impreza WRX STI Ver 1-4 9:1 Forged Piston Kit Bore Size:93mm – K9432D100 84mm – K9436D100 Stroke: 85mmCompression

84mm – K9436D100                  Stroke: 85mmCompression Height: 31

or sudden bursts of torque for drag racing (as two examples) will warrant the use of the custom age bolts to help retain the clamping force between the big end cap and the connecting rod

76mm - K9426D100

Bore Size: 84

5mm – K9388DA

Wossner Subaru Impreza WRX STI Ver 1-4 9:1 Forged Piston Kit Bore Size:93mm – K9432D100 84mm – K9436D100 Stroke: 85mmCompressionThis Wossner Subaru Impreza WRX STI Ver 1 4 9: 1 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 K9432D050, 92mm K9432DA, 93mm K9432D100 Stroke: 75mmCompression Height: 33. 4mmOEM Comp Ratio: 8. 3: 1Number of Rings: 3Clip Part Number: CA23 Pin Part Number: WP143 SP Cylinders: 4 Valves Per Cylinder: 4 These pistons will fit both