| Engine | Thickness(mm) | Compression Ratio | Bore | Code No. | Manual | Detail | Remarks | |||
|---|---|---|---|---|---|---|---|---|---|---|
| TOYOTA | ||||||||||
| FA24 | 0.8 | 11.8 * | Φ95 | 23002-AT004 | Detail | OEM thickness t=0.6 mm * The compression ratio comes from using the HKS Piston Full Kit FA24 2.5L HIGH COMP STEP 1 or 2. |
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| FA24 | 1.2 | 11.3 * | Φ95 | 23002-AT005 | Detail | OEM thickness t=0.6 mm * The compression ratio comes from using the HKS Piston Full Kit FA24 2.5L HIGH COMP STEP 1 or 2. |
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| FA20 | 0.8 | ε=10.8 (with HKS Low-Comp Piston) | φ89.5 | 23002-AT001 | Detail | |||||
| FA20 | 1.2 | ε=10.4 (with HKS Low-Comp Piston) | φ89.5 | 23002-AT002 | Detail | Make to order item | ||||
| G16E-GTS | 1.0 | 10.4 | Φ89変形 | 23002-AT006 | Detail | Stock thickness t=0.85 | ||||
| G16E-GTS | 0.8 | ε=10.6 | Dia. 89 (not round) | 23002-AT003 | Detail | Stock thickness t=0.85 | ||||
| SUBARU | ||||||||||
| FA24 | 0.8 | 11.3 * | Φ95 | 23002-AT004 | Detail | OEM thickness t=0.6 mm * The compression ratio comes from using the HKS Piston Full Kit FA24 2.5L HIGH COMP STEP 1 or 2. |
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| FA24 | 1.2 | 11.3 * | Φ95 | 23002-AT005 | Detail | OEM thickness t=0.6 mm * The compression ratio comes from using the HKS Piston Full Kit FA24 2.5L HIGH COMP STEP 1 or 2. |
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| FA20 | 0.8 | ε=10.8 (with HKS Low-Comp Piston) | φ89.5 | 23002-AT001 | Detail | |||||
| FA20 | 1.2 | ε=10.4 (with HKS Low-Comp Piston) | φ89.5 | 23002-AT002 | Detail | Make to order item | ||||