The A'PEXi metal headgaskets provide upgraded protection on high horsepower engines. Factory headgaskets cannot withstand the pressures of high output operation and often cause the engine to "blow." This condition is actually caused by a failure in the factory headgasket.
A'PEXi recommends replacing the factory headgasket with a metal one before gasket failure causes more damage to the engine. The gaskets are all designed engine specific and provide a complete and secure seal.
Features
- Metal construction
- Designed for standard and increased bore sized engines
- Perfect for a tuned engine to ensure strong seal and high durability
We ship to the United States and 150 other countries.
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| Vehicle | Thickness | Bore | Price | Order | |
|---|---|---|---|---|---|
| 814-N205 | |||||
| RB25DET | 1.1 mm | 86.0 mm | | | |
| 814-N201 | |||||
| RB25DET | 1.1 mm | 87.0 mm | | | |
| 814-N206 | |||||
| RB25DET | 1.5 mm | 86.0 mm | | | |
| 814-N202 | |||||
| RB25DET | 1.5 mm | 87.0 mm | | | |
| 814-N207 | |||||
| RB25DET | 1.8 mm | 86.0 mm | | | |
| 814-N203 | |||||
| RB25DET | 1.8 mm | 87.0 mm | | | |
| 814-N208 | |||||
| RB25DET | 2.1 mm | 86.0 mm | | | |
| 814-N204 | |||||
| RB25DET | 2.1 mm | 87.0 mm | | | |
| 814-N005 | |||||
| RB26DETT | 0.8 mm | 86.0 mm | | | |
| 814-N001 | |||||
| RB26DETT | 0.8 mm | 87.0 mm | | | |
| 814-N006 | |||||
| RB26DETT | 1.1 mm | 86.0 mm | | | |
| 814-N002 Last one in stock! | |||||
| RB26DETT | 1.1 mm | 87.0 mm | | | |
| 814-N007 | |||||
| RB26DETT | 1.5 mm | 86.0 mm | | | |
| 814-N003 | |||||
| RB26DETT | 1.5 mm | 87.0 mm | | | |
| 814-N008 | |||||
| RB26DETT | 1.8 mm | 86.0 mm | | | |
| 814-N004 | |||||
| RB26DETT | 1.8 mm | 87.0 mm | | | |
| 814-N101 | |||||
| SR20DET | 0.8 mm | 86.0 mm | | | |
| 814-N105 | |||||
| SR20DET | 0.8 mm | 87.0 mm | | | |
| 814-N102 | |||||
| SR20DET | 1.1 mm | 86.0 mm | | ||
| 814-N106 | |||||
| SR20DET | 1.1 mm | 87.0 mm | | ||
| 814-N103 | |||||
| SR20DET | 1.5 mm | 86.0 mm | | | |
| 814-N107 | |||||
| SR20DET | 1.5 mm | 87.0 mm | | | |
| 814-N104 | |||||
| SR20DET | 1.8 mm | 86.0 mm | | | |
| 814-N108 | |||||
| SR20DET | 1.8 mm | 87.0 mm | | | |
| Vehicle | Thickness | Bore | Price | Order | |
|---|---|---|---|---|---|
| 814-T001 | |||||
| 1JZ-G(T)E | 1.1 mm | 87.0 mm | | | |
| 814-T005 | |||||
| 1JZ-G(T)E | 1.1 mm | 88.0 mm | | | |
| 814-T002 | |||||
| 1JZ-G(T)E | 1.5 mm | 87.0 mm | | | |
| 814-T006 | |||||
| 1JZ-G(T)E | 1.5 mm | 88.0 mm | | | |
| 814-T003 | |||||
| 1JZ-G(T)E | 1.8 mm | 87.0 mm | | | |
| 814-T007 | |||||
| 1JZ-G(T)E | 1.8 mm | 88.0 mm | | | |
| 814-T004 | |||||
| 1JZ-G(T)E | 2.1 mm | 87.0 mm | | | |
| 814-T008 | |||||
| 1JZ-G(T)E | 2.1 mm | 88.0 mm | | | |
| 814-T101 | |||||
| 2JZ-G(T)E | 1.1 mm | 87.0 mm | | | |
| 814-T105 | |||||
| 2JZ-G(T)E | 1.1 mm | 88.0 mm | | | |
| 814-T102 | |||||
| 2JZ-G(T)E | 1.5 mm | 87.0 mm | | | |
| 814-T106 | |||||
| 2JZ-G(T)E | 1.5 mm | 88.0 mm | | | |
| 814-T103 | |||||
| 2JZ-G(T)E | 1.8 mm | 87.0 mm | | | |
| 814-T107 | |||||
| 2JZ-G(T)E | 1.8 mm | 88.0 mm | | | |
| 814-T104 | |||||
| 2JZ-G(T)E | 2.1 mm | 87.0 mm | | | |
| 814-T108 | |||||
| 2JZ-G(T)E | 2.1 mm | 88.0 mm | | | |
| 814-T301 | |||||
| 3S-GE | 0.5 mm | 88.0 mm | | ||
| 814-T302 | |||||
| 3S-GE | 0.8 mm | 88.0 mm | | | |
| 814-T303 | |||||
| 3S-GE | 1.1 mm | 88.0 mm | | | |
| 814-T304 | |||||
| 3S-GE | 1.5 mm | 88.0 mm | | | |
| 814-T305 | |||||
| 3S-GE | 1.8 mm | 88.0 mm | | | |
| 814-T201 | |||||
| 3S-GTE | 1.1 mm | 88.0 mm | | | |
| 814-T202 | |||||
| 3S-GTE | 1.5 mm | 88.0 mm | | ||
| 814-T203 | |||||
| 3S-GTE | 1.8 mm | 88.0 mm | | | |
| 814-T204 | |||||
| 3S-GTE | 2.1 mm | 88.0 mm | | | |
| Vehicle | Thickness | Bore | Price | Order |
|---|---|---|---|---|
| 814-M001 | ||||
| Lancer Evolution IV - CN9A | 1.1 mm | 86.0 mm | | |
| 814-M002 | ||||
| Lancer Evolution IV - CN9A | 1.5 mm | 86.0 mm | | |
| 814-M001 | ||||
| Lancer Evolution IX - CT9A | 1.1 mm | 86.0 mm | | |
| 814-M002 | ||||
| Lancer Evolution IX - CT9A | 1.5 mm | 86.0 mm | | |
| 814-M001 | ||||
| Lancer Evolution V - CP9A | 1.1 mm | 86.0 mm | | |
| 814-M002 | ||||
| Lancer Evolution V - CP9A | 1.5 mm | 86.0 mm | | |
| 814-M001 | ||||
| Lancer Evolution VI - CP9A | 1.1 mm | 86.0 mm | | |
| 814-M002 | ||||
| Lancer Evolution VI - CP9A | 1.5 mm | 86.0 mm | | |
| 814-M001 | ||||
| Lancer Evolution VII - CT9A | 1.1 mm | 86.0 mm | | |
| 814-M002 | ||||
| Lancer Evolution VII - CT9A | 1.5 mm | 86.0 mm | | |
| 814-M001 | ||||
| Lancer Evolution VIII - CT9A | 1.1 mm | 86.0 mm | | |
| 814-M002 | ||||
| Lancer Evolution VIII - CT9A | 1.5 mm | 86.0 mm | | |
| Vehicle | Thickness | Bore | Price | Order |
|---|---|---|---|---|
| 814-H001 | ||||
| B16B | 0.45 mm | 82.0 mm | | |
| 814-H002 | ||||
| B16B | 1.5 mm | 82.0 mm | | |
| 814-H003 | ||||
| B16B | 2.1 mm | 82.0 mm | | |
| 814-H001 | ||||
| B18C | 0.45 mm | 82.0 mm | | |
| 814-H002 | ||||
| B18C | 1.5 mm | 82.0 mm | | |
| 814-H003 | ||||
| B18C | 2.1 mm | 82.0 mm | | |
| 814-H101 | ||||
| D15B | 1.1 mm | 76.0 mm | | |
| 814-H102 | ||||
| D15B | 1.5 mm | 76.0 mm | | |
| Vehicle | Thickness | Bore | Price | Order |
|---|---|---|---|---|
| 814-F001 | ||||
| EJ20G | 0.8 mm | 93.5 mm | | |
| 814-F002 | ||||
| EJ20G | 1.5 mm | 93.5 mm | | |
| 814-F003 | ||||
| EJ20G | 2.1 mm | 93.5 mm | | |
| 814-F001 | ||||
| EJ207 | 0.8 mm | 93.5 mm | | |
| 814-F002 | ||||
| EJ207 | 1.5 mm | 93.5 mm | | |
| 814-F003 | ||||
| EJ207 | 2.1 mm | 93.5 mm | | |
A'PEXi was founded in April 1992, and began with exhaust systems, including its N1 range. It was one of the first to offer a complete engine computer that replaced the factory one, the Power FC, made to fit each engine and simple to adjust.
A'PEXi raced in Super GT and won the D1 Grand Prix championship in 2003 with an RX-7. Its range covers intakes, exhausts, engine management and boost control, and suspension, for most Japanese performance cars.











