Mitsubishi 4B11 2.3 Stroker Kit by Tomei

These new stroker kits from Tomei are just what the doctor ordered. This kit comes with an expertly balanced crankshaft with shaped counterweight edges and an X type 2 line oiling system. Each crankshaft has gone through high precision quality control.

The pistons are forged for light weight and high rigidity, are compatible with standard and 1mm oversized valves, and feature a thin ring design to reduce friction. They are compatible with standard and 1mm oversized valves and have optimal oil jet clearance.

The connecting rods utilize a tested and proven H-beam design and feature a gradually slanted design for maximum rigidity. They have large diameter dowel pins and two oil ports on the piston side for maximum lubrication. High tensile ARP L19 bolts are included.

Features

• Precision designed crankshaft with high balance ratio counterweights
• Crankshaft utilizes an X type 2 line oiling system
• Pistons designed for light weight and high rigidity with thin rings for reduced friction
• Pins, rings and clips are all included with the pistons
• Compatible with standard and 1mm oversized valves
• Gradually slanted H-beam connecting rods designed for light weight and high rigidity
• Connecting rods have two oil ports on the piston side for maximum lubrication
• High tensile ARP L19 connecting rods bolts are included

Specifications

• BORE (mm): 87.00 (STOCK +1.0)
• STROKE (mm): 98.00 (STOCK +12.0)
• DISPLACEMENT (cc): 2330.3
• C.C. VOLUME (cc): 49.0
• PISTON DECK CLEARANCE/HIGHT (mm): ±0.0
• PISTON COMP.HEIGHT (mm): 27.40 (STOCK -6.0)
• ROD C-to-C (mm): 143.80 (STOCK ±0.0)
• HEAD GASKET BORE (mm): 87.5

Applications

• 2008-2015 Mitsubishi Evo X

What's In The Box?

• 1 - Tomei 4B11 2.3 Stroker Kit

Warranty

• Manufacturer Standard Warranty