Spool Mitsubishi 4G63 Stroker Crankshaft - 100mm

Mitsubishi 4G63 100mm 4340 Stroker Crankshaft

With the increased cubic capacity from the 100mm stroker crank, increases of up to 50% in torque and low to mid range power are achievable. Boost will come on earlier in the rev range and peak power will increase.

Full Forged 4340 - Nitrided, Balanced and Full Counter Weight Crankshaft

The 4G63 engine in its factory form has a 85mm bore and 88mm stroke, giving a displacement of 1997cc.

Using the 100 mm stroker crank, std length conrods and custom pistons, the displacement is increased as follows:

• 85.5mm bore and the 100mm stroker crank = 2297cc / 300cc increase
• 86 mm bore and the 100 mm stroker crank = 2324cc / 327cc increase

Note: If conrod to block interference occurs, slight clearancing maybe required.

• Crank Weighs 16kg
• 4340 Grade Billet Steel
• Fully Counter Weighted
• Nitrided Finish
• Fully Balanced
• Stroke 100mm