Forged Pistons for Mitsubishi, 4B11 / EVO X, 86.5mm, 9:1 (CP Pistons SC7221)
|
Make |
Mitsubishi |
|
Model |
4B11T / EVO X |
|
Part Number |
SC7221 |
|
Cylinders |
4 |
|
Bore (in) |
3.406 |
|
Bore (mm) |
86.5 |
|
Size |
+0.5mm |
|
Stroke |
86 |
|
Conrod |
143.75 |
|
Comp Height (in) |
1.313 |
|
Comp Height (mm) |
33.4 |
|
Dom/Dish CC |
-5.3 |
|
Compression Ratio |
9 |
|
Weight (Grams) |
326 |
|
Pin (mm) |
23 |
|
Rings |
CPN-3406 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
905-2250-15CP1C |
|
Upgraded Pin |
905-2250-19CP3C |
|
Ultra Duty Pin |
905-2250-26CP3C |
|
Locks |
905x073 SWL |
CP pistons are compatible with oversized valves and high lift camshafts. CP Pistons represent the highest quality and is engineered for maximum power. Standard features include: Deep valve reliefs accommodate high lift camshafts; Larger valve reliefs for +1mm valve sizes; Custom skirt cam and barrel design; Accumulator grooves; High strength aluminum forgings; High performance rings; Fully CNC machined and balanced to +/- 1 gram; Wrist pins included at no additional cost; Double pin oilers force fed from oil ring groove; Pin lock grooves for easy lock removal; Pin fitting included.
Engine build fitment
4B11T / EVO X. Match the selected dimensions, engine generation and rotating assembly specification before machining or assembly.
Installation and BBT workshop support
Confirm finished bore size, piston-to-wall clearance, compression height, pin specification, ring gaps and valve clearance against the supplied piston documentation.
Built by Boost & Tune is an authorised Spool Imports dealer and can assist with component selection, engine assembly and tuning requirements for your build.