



GENERAL |
|
| Temperature range | AECQ100 GRADE1 (-40 to +85˚C) |
| Reverse battery protection | Yes, internal |
| Operating voltage | 6-22V, immunity to transients according to ISO 7637 |
| Enclosure | IP 60, custom CNC machined aluminum |
| Connectors | 1 x 35 positions, AMP Automotive connector |
| PC communication | CAN BUS – Ecumaster interface, Peak or Kvaser |
| Display Type | TFT 800×480 |
| Brightness of display | 5″ – 600 cd/m2, 7″ – 1000 cd/m2 |


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Product detailed specification |
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|
Bore size |
84.50mm |
|
Stroke |
89.60mm |
|
JE Pistons compression ratio (CR) |
9.5:1 |
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OEM compression ratio (CR) |
10.2:1 |
|
Dome volume (CC) |
-14.7cm3 |
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Compression height (CH) |
32.40mm |
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Pin diameter |
22mm |
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Features |
Accepts Turbo and Nitrous; coated FSR skirt |
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Fits for |
BMW - 3.0 24V Turbo (N55B30, S55B30) |

| Position | |||||||
|---|---|---|---|---|---|---|---|
| Pairs & PN |
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||||||
| Quantity | 1 | ||||||
| Crankshaft | 66.965 / 66.972 | ||||||
| Housing | 0.000 / 0.000 | ||||||
| Max Wall | 2.510 | ||||||
| Max Length | 18.352 |

| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
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| Part# | ||
| 4B1912H |
4B1912HX |
|
| 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 |
1.889in / 47.98mm |
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| Max Std Shaft Size |
1.8898in / 48mm |
|
| Min Std Tunnel Size |
2.008in / 51.004mm |
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| Max Std Tunnel Size |
2.0088in / 51.024mm |
|
| Max Wall at Crown |
0.0589in / 1.496mm |
0.0584in / 1.483mm |
| Max Overall Length |
0.7638in / 19.4mm |
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| Notes | ||
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Diagram |
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|
Tarpinės kodo pradžia 338 |
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Athena privalumai |
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| Optimizuota reljefinė forma |
Apvali įspaudo forma padidina cilindrų, tepimo |
| Pažangi "stopper" technologija |
Ši technologija pagerina slėgio sandarinimą aplink cilindrą. Aukščiausios sandarinimo savybės didelės galios varikliams |
|
Padengimo technologija |
Athena sukurta speciali plieninių paviršių danga pagerina tarpinės patikimumą ir atsparumą temperatūrai |