Kit increases 4B11 displacement from stock 1,998cc to 2,139cc.

Bore(mm) - 86.5
Displacement(cc) - 2,139
Compression Ratio(ε) G/K1.0mm - 8.7 / G/K1.2mm - 8.6 / G/K1.6mm - 8.4
Piston Bowl(cc) - 12.1

Piston:
・Forged
・2 Piece Oil Ring

Connecting Rod:
・Carburised Chrome Molybdenum Steel
・I beam forged cracked

Crankshaft:
Stroke (mm) - 91
・Special Chrome Molybdenum Steel + Isonite (salt bath nitriding)
・Full Counter Forged