Nitto Stroker Kit
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Nitto Stroker Kit - Mitsubishi 4B11T - Lancer Evolution X (CZ4A) / Lancer Ralliart (CJ)
A complete Nitto 2.2L rotating assembly for the Mitsubishi 4B11T in the Lancer Evolution X and Lancer Ralliart. It adds capacity for circuit and street use while keeping the engine able to rev, and combines a 4340 billet crank, 4340 billet rods and CP-made forged pistons.
Choose the rod type, H-beam for solid street builds or I-beam for higher power, and the piston bore, 86.5 mm (+0.020") or 87.0 mm (+0.040"). Every kit uses a 93 mm stroke crank and 143.75 mm rods.
The pistons are made by CP Carrillo to Nitto's specification from low-silicon 2618 aluminium in Turbo HD forging, with PVD rings, 9310 wrist pins and accumulator grooves. The rods are double-melted 4340 billet with 3/8" ARP 2000 bolts. The 4340 billet crank has knife-edged counterweights to cut through crankcase oil mist and help the engine rev freely.
Note: Installation by a professional is recommended. Engine internals must be measured and set up by a qualified engine builder.
Features
- 4340 billet crankshaft, 93 mm stroke, knife-edged and nitrided
- Double-melted 4340 billet H-beam or I-beam rods, 143.75 mm
- 3/8" ARP 2000 rod bolts
- CP-made 2618 forged pistons in Turbo HD forging
- PVD ring set and 9310 wrist pins
Kit Contents
- 1 x Nitto 4340 billet crankshaft (93 mm stroke)
- 4 x Nitto connecting rods (H-beam or I-beam) with ARP 2000 bolts
- 4 x Nitto forged pistons with PVD rings and 9310 wrist pins
Warranty
Nitto parts are made for racing and off-road use. Inspect every part during assembly and blueprinting, and contact us before fitting if anything measures out of tolerance. Under Nitto's limited warranty a defective part will be repaired or replaced at Nitto's option, and any modification voids the warranty. Full terms: Nitto limited warranty (PDF).
Pairs Well With
Shop more: Nitto
Need help choosing parts? Contact our team at sales@chicaneaustralia.com.au.
Vehicle Compatibility
| Make | Model | Chassis | Years | Engine / Notes |
|---|---|---|---|---|
| Mitsubishi | Lancer Evolution X | CZ4A | 2008–2016 | 4B11T |
| Mitsubishi | Lancer Ralliart | CJ | 2008–2015 | 4B11T |
Technical Specifications
| Spec | Value |
|---|---|
| Brand | Nitto |
| Product | Stroker kit (crank, rods, pistons) |
| Engine | Mitsubishi 4B11T |
| Capacity | 2.2L |
| Stroke | 93 mm |
| Crankshaft material | 4340 billet |
| Rod type | H-beam or I-beam, 4340 billet |
| Rod length | 143.75 mm |
| Rod bolts | ARP 2000, 3/8" |
| Piston | 2618 forged, Turbo HD, PVD rings, 9310 pins |
| Bore | 86.5 mm (+0.020"); 87.0 mm (+0.040") |
| Warranty | Nitto limited warranty (racing use) |
| Instructions | Nitto installation notes (link below) |
| Part number(s) | NIT-STK-4B11I865, NIT-STK-4B11I87, NIT-STK-4B11H865, NIT-STK-4B11H87 |
Contents
1 x Nitto 2.2L stroker kit: 4340 billet crankshaft, 4 connecting rods with ARP 2000 bolts, and 4 forged pistons with PVD rings and 9310 wrist pins

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