



| Sizes | STD, .025, .25, .50 |
| Oil Clearance | |
| Half Type | Identical halves |
| Material | F780 |
| Min. Std Shaft Size | 2.6766in /67.985mm |
| Max. Std Shaft Size | 2.6775in /68.009mm |
| Min. Std Tunnel Size | 2.874in /73mm |
| Max. Std Tunnel Size | 2.8746in /73.016mm |
| Max Wall at Crown | 0.0986in /2.505mm |
| Max Overall Length | 0.6929in /17.6mm |
| Weight | 0 |
| Notes |

Product detailed specification
Manufacturer: FCP Engineering
Model: FCPRHBN62B44
Profile: H-beam
C to C: 139.7mm
Pin diameter: 21mm
Quantity: 8 pcs., 16 pcs. ARP2000 5/16" bolts
Made of: forged steel 4340 EN24er
Advertised horsepower rating: 1200HP (8 cylinder)
Advertised RPM rating: 9000RPM
BMW 745i E65, 545i E60/61, 645i E63/64, X5 E53 - 4.4 V8 (N62B44)

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Product detailed specification |
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Bore size |
84.50mm |
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Stroke |
92.8mm |
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JE Pistons compression ratio (CR) |
10.5:1 |
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Dome volume (CC) |
-3.7cm3 |
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Compression height (CH) |
27.6mm |
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Pin diameter |
20mm |
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Features |
Skirt coating; HD pins |
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Fits for |
Audi R8 - 5.2 V10 |


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Product detailed specification |
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Bore size |
83.00mm |
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Stroke |
94.60mm |
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JE Pistons compression ratio (CR) |
10.5:1 |
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OEM compression ratio (CR) |
11.0:1 |
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Dome volume (CC) |
-11.10cm3 |
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Compression height (CH) |
33.25mm |
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Pin diameter |
22mm |
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Features |
Accepts Turbo and Nitrous |
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Fits for |
Toyota / BMW - 3.0 Turbo (B58B30) |

Athena Racing 338-Serie Mehrlagenstahl (MLS) Zylinderkopfdichtung.
Athena MLS Dichtungen sind speziell für die Anforderungen der heutigen Rennmotoren entwerfen und bieten verbesserte Abdichtung gegen OEM Produkt.
Dichtungen sind aus 2-5 Sichten hochwertigem Edelstahl und Federstahl hergestellt.
Teilenummer: 338326R
Dichtungsdicke: 1.30mm
Zylinderdurchmesser: 87.00mm
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Teilenummer beginnt 338 |
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Athena Vorteile |
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Optimierte Radius Prägeform |
Die runde Form der Prägung erhöht Besiegelung auf Zylinderbohrung, Öl- und Kühlwasserkanäle und und verbessert der Rückfederung Stärke |
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Fortschrittliche Stoppertechnik |
Der Stand der Technik erhöht den Dichtungsdruck um den Zylinder. Höchste Dichteigenschaften bei Hochleistungsmotoren |
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Beschichtungstechnik |
Entworfen und konstruiert von Athena die spezielle Beschichtung auf Stahloberflächen aufgebracht, verbessert die |

| ENGINE BEARINGS | ||||
![]() |
CON ROD BEARING SET |
MAIN BEARING SET |
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| Part# | Part# | |||
| 4B2904H |
4B2904HX |
5M2908H |
5M2908HX |
|
| Sizes | STD, .025, .25 | STD | STD, .025, .25 | STD |
| Oil Clearance | Standard | + 0.001" Extra | Standard | + 0.001" Extra |
| Half Type | Identical Halves | Upper & Lower | ||
| Material |
Tri-metal Hardened steel backs |
Tri-Metal | ||
| Min Std Shaft Size |
1.9995in / 50.787 mm |
2.0862 in / 52.991 mm |
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| Max Std Shaft Size |
2.0003in / 50.807 mm |
2.0866 in / 53.000 mm |
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| Min Std Tunnel Size |
2.1219 in / 53.897 mm |
2.2330 in / 56.717 mm |
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| Max Std Tunnel Size |
2.1226 in / 53.913 mm |
2.2337 in / 56.735 mm |
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| Max Wall at Crown |
0.0605in / 1.536 mm |
0.0600in / 1.523 mm |
0.0726 in / 1.843 mm |
0.0720 in / 1.830 mm |
| Max Overall Length |
0.768 in / 19.50 mm |
0.817 in / 20.75 mm (2908H/HX) 0.955 in / 24.25 mm (2909H/HX) |
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| Notes | - | - | ||
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Diagram |
![]() |
2908H & HX - Positions 1,2,4,5
2909H & HX - Position 3
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| THRUSTWASHER SET | ||||
| Part# | Material | |||
| Sizes | Notes | - | ||