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1.8L 16v - B18A1/B1
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1.8L 16v - B18A1/B1
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Forged pistonsHonda B18A1/B18B1 Bores81 86mm, CR OEM8.1 13:1, Pin21mm. Ranges available:Supertech, Wiseco, Wiseco AP. Sorted technical sheet + compatibilities Integra 1990 2001 + Pistons referencesOEM.
Characteristics of Forged Pistons Offered by NSB Concept for 1.8 L 16 vHonda B18A1 / B18B1:
| Reference Piston | Bore (mm)OEM 81 | CROEM 10.5:1 | Pin (mm)OEM 21 | Pin Height (mm)OEM 30 | Range | Aluminium | Coating | Forging | Dome (cc) | Weight (g) | Rings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| WK541M81 | 81 | 8,1:1 | 21 | 30 | Wiseco | 2618 | Skirt | NC | -12 | NC | 8100XX |
| WK541M81AP | 81 | 8,1:1 | 21 | 30 | Wiseco AP | 2618 | Skirt | NC | -12 | NC | 8100XX |
| WK673M81 | 81 | 8,2:1 | 21 | 30 | Wiseco | 2618 | Skirt | NC | -8 | NC | 8100XX |
| WK673M81AP | 81 | 8,2:1 | 21 | 30 | Wiseco AP | 2618 | Skirt | NC | -8 | NC | 8100XX |
| WK542M81 | 81 | 8,9:1 | 21 | 29,85 | Wiseco | 2618 | Skirt | NC | -2.4FT | NC | 8100XX |
| WK542M81AP | 81 | 8,9:1 | 21 | 29,85 | Wiseco AP | 2618 | Skirt | NC | -2.4FT | NC | 8100XX |
| P4-H81-N2R-H13-4 | 81 | 9,6:1 | 21 | 30 | Supertech | 4032 | Head + Skirt | NC | -2.5 | 302 | W8100XX |
| WK566M81 | 81 | 10,5:1 | 21 | 30,1 | Wiseco | 2618 | Skirt | NC | 5 | NC | 8100XX |
| WK566M81AP | 81 | 10,5:1 | 21 | 30,1 | Wiseco AP | 2618 | Skirt | NC | 5 | NC | 8100XX |
| WK593M81 | 81 | 11,1:1 | 21 | 30 | Wiseco | 2618 | Skirt | NC | 8,3 | NC | 8100XX |
| WK593M81AP | 81 | 11,1:1 | 21 | 30 | Wiseco AP | 2618 | Skirt | NC | 8,3 | NC | 8100XX |
| P4-H81-P6-4 | 81 | 11,4:1 | 21 | 30 | Supertech | 4032 | Head + Skirt | NC | 5,9 | 246 | W8100XX |
| P4-H81-P7-4 | 81 | 12:1 | 21 | 30 | Supertech | 4032 | Head + Skirt | NC | 7 | 241 | W8100XX |
| WK541M8125 | 81,25 | 8,1:1 | 21 | 30 | Wiseco | 2618 | Skirt | NC | -12 | NC | 8125XX |
| WK541M8125AP | 81,25 | 8,1:1 | 21 | 30 | Wiseco AP | 2618 | Skirt | NC | -12 | NC | 8125XX |
| WK542M8125 | 81,25 | 8,9:1 | 21 | 29,85 | Wiseco | 2618 | Skirt | NC | -2.4FT | NC | 8125XX |
| WK542M8125AP | 81,25 | 8,9:1 | 21 | 29,85 | Wiseco AP | 2618 | Skirt | NC | -2.4FT | NC | 8125XX |
| WK566M8125 | 81,25 | 10,5:1 | 21 | 30,1 | Wiseco | 2618 | Skirt | NC | 5 | NC | 8125XX |
| WK566M8125AP | 81,25 | 10,5:1 | 21 | 30,1 | Wiseco AP | 2618 | Skirt | NC | 5 | NC | 8125XX |
| WK593M8125 | 81,25 | 11,1:1 | 21 | 30 | Wiseco | 2618 | Skirt | NC | 8,3 | NC | 8125XX |
| WK593M8125AP | 81,25 | 11,1:1 | 21 | 30 | Wiseco AP | 2618 | Skirt | NC | 8,3 | NC | 8125XX |
| WK541M815 | 81,5 | 8,1:1 | 21 | 30 | Wiseco | 2618 | Skirt | NC | -12 | NC | 8150XX |
| WK541M815AP | 81,5 | 8,1:1 | 21 | 30 | Wiseco AP | 2618 | Skirt | NC | -12 | NC | 8150XX |
| WK673M815 | 81,5 | 8,2:1 | 21 | 30 | Wiseco | 2618 | Skirt | NC | -8 | NC | 8150XX |
| WK673M815AP | 81,5 | 8,2:1 | 21 | 30 | Wiseco AP | 2618 | Skirt | NC | -8 | NC | 8150XX |
| WK542M815 | 81,5 | 8,9:1 | 21 | 29,85 | Wiseco | 2618 | Skirt | NC | -2.4FT | NC | 8150XX |
| WK542M815AP | 81,5 | 8,9:1 | 21 | 29,85 | Wiseco AP | 2618 | Skirt | NC | -2.4FT | NC | 8150XX |
| P4-H815-N2R-4 | 81,5 | 9,6:1 | 21 | 30 | Supertech | NC | Head + Skirt | NC | -2.5 | NC | W8150XX |
| WK566M815 | 81,5 | 10,5:1 | 21 | 30,1 | Wiseco | 2618 | Skirt | NC | 5 | NC | 8150XX |
| WK566M815AP | 81,5 | 10,5:1 | 21 | 30,1 | Wiseco AP | 2618 | Skirt | NC | 5 | NC | 8150XX |
| WK593M815 | 81,5 | 11,1:1 | 21 | 30 | Wiseco | 2618 | Skirt | NC | 8,3 | NC | 8150XX |
| WK593M815AP | 81,5 | 11,1:1 | 21 | 30 | Wiseco AP | 2618 | Skirt | NC | 8,3 | NC | 8150XX |
| P4-H815-P6-4 | 81,5 | 11,4:1 | 21 | 30 | Supertech | 4032 | Head + Skirt | NC | 5,7 | 261 | W8150XX |
| P4-H815-P7-4 | 81,5 | 12,1:1 | 21 | 30 | Supertech | 4032 | Head + Skirt | NC | 7 | 250 | W8150XX |
| WK541M82 | 82 | 8,1:1 | 21 |
