1JZ-GTE
1JZ-GTE 2.5L Twin-Turbo Inline-6
2491ccInline-6, DOHC, Twin-Turbocharged
The 1JZ-GTE is Toyota's 2.5-liter twin-turbocharged inline-six engine. Renowned for its smooth power delivery and exceptional tuning potential, it is a staple of the JDM drift scene. The VVT-i variant (1JZ-GTE VVT-i) produces 280 hp in stock form and is widely used in drift builds.
Toyota Supra A70Toyota Chaser JZX90/100Toyota Mark II JZX90/100Various JZ swaps

Always verify torque specifications with your specific year/model OEM service manual before assembly. Values shown are reference specifications and may vary by model year, revision, or regional market.
1Cylinder Head
7 specifications · 2 locked

| Component | Value | Unit | Notes |
|---|---|---|---|
| 1Cylinder Head Bolts — Step 1 | 25 | lb-ft | In sequence |
| 2Cylinder Head Bolts — Step 2 | +90° | ° | Angle turn |
| 3Cylinder Head Bolts — Step 3 | +90° | ° | Additional angle turn |
| Camshaft Bearing Caps | 14 | lb-ft | Tighten evenly in multiple passes |
| Camshaft Timing Pulley | 59 | lb-ft | Use cam holding tool |
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2Short Block
6 specifications · 1 locked

| Component | Value | Unit | Notes |
|---|---|---|---|
| 1Main Bearing Caps — Step 1 | 33 | lb-ft | In sequence from center |
| 2Main Bearing Caps — Step 2 | +90° | ° | Angle turn |
| 1Connecting Rod Caps — Step 1 | 22 | lb-ft | |
| 2Connecting Rod Caps — Step 2 | +90° | ° | Angle turn |
| Crankshaft Pulley Bolt | 239 | lb-ft | Use holding tool; replace bolt |
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3Engine Accessories
10 specifications · 5 locked

| Component | Value | Unit | Notes |
|---|---|---|---|
| Exhaust Manifold Bolts | 29 | lb-ft | Re-torque after first heat cycle |
| Intake Manifold Bolts | 20 | lb-ft | |
| Intake Manifold Stay | 29 | lb-ft | |
| Timing Belt Tensioner | 20 | lb-ft | |
| Idler Pulley | 25 | lb-ft | |
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