
|
|||||||
| Quantity | 4 | ||||||
| Crankshaft | 44.999 / 44.976 | ||||||
| Housing | 48.001 / 48.024 | ||||||
| Max Wall | 1.504 | ||||||
| Max Length | 19.401 |


| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B1946H |
4B1946HX |
|
| Sizes | STD, 025, .25 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.7709in / 44.98mm |
|
| Max Std Shaft Size |
1.7717in / 45mm |
|
| Min Std Tunnel Size |
1.8898in / 48mm |
|
| Max Std Tunnel Size |
1.8907in / 48.024mm |
|
| Max Wall at Crown |
0.0592in / 1.504mm |
0.0587in /1.491mm |
| Max Overall Length |
0.7677in / 19.5mm |
|
| Notes | ||
|
Diagram |
![]() |
|

| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B1925H |
4B1925HX |
|
| Sizes | STD, 025, .25 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.7707in / 44.976mm |
|
| Max Std Shaft Size |
1.7717in / 45mm |
|
| Min Std Tunnel Size |
1.8898in / 48mm |
|
| Max Std Tunnel Size |
1.8898in / 48mm |
|
| Max Wall at Crown |
0.0591in / 1.502mm |
0.0586in /1.489mm |
| Max Overall Length |
0.6890in / 17.5mm |
|
| Notes | ||
|
Diagram |
![]() |
|

| Sizes | STD, .025, .25 |
| Oil Clearance | Standard |
| Half Type | Identical Halves |
| Material | Tri-Metal |
| Min. Std Shaft Size | 2.1646in / 54.980mm |
| Max. Std Shaft Size | 2.1654in / 55.000mm |
| Min. Std Tunnel Size | 2.3228in / 59.000mm |
| Max. Std Tunnel Size | 2.3236in / 59.020mm |
| Max Wall at Crown | 0.0790in / 2.007mm |
| Max Overall Length | 0.7874in / 20.00mm |
| Weight | 0.28 |
| Notes | 0 |

Part number 1T1957-STD
ACL thrust washers kit
Honda - 1.6 1.7 1.8 2.0 2.1 2.2 2.3 2.4 (D16A, D16B, D16W, D16Y, D16Z, A18A, ES, ET, A20A, B16A, B17A1, B18A1, B18B1, B18B2, B18A, B20A SOHC, B18C1, B18C2, B18C5, B18C7, B20A, B21A, B21A1 DOHC, B20B, B20Z, D17A, D17Z, K20A3, K20A2, K20Z1, K24A, K24Z1, H22A, H22Z, F23A, F23Z)

|
Product detailed specification |
|
|
Bore size |
81.50mm |
|
Stroke |
87.20mm |
|
Wiseco compression ratio (CR) |
12.5:1 |
|
OEM compression ratio (CR) |
10.0:1 |
|
Dome volume (CC) |
8.3cm3 |
|
Compression height (CH) |
30.00mm |
|
Pin diameter |
21mm |
|
Features |
Most Wiseco pistons have offset pins. Pins must be offset same as OEM for quitest operation. |
|
Fits for |
Honda B17A1, B18A-B1 non V-TEC, B18C1-C5 V-TEC |