
| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B1630H |
4B1630HX |
|
| Sizes | STD, .025, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.7701in / 44.961mm |
|
| Max Std Shaft Size |
1.7701in / 44.961mm |
|
| Min Std Tunnel Size |
1.8898in / 48mm |
|
| Max Std Tunnel Size |
1.8903in / 48.013mm |
|
| Max Wall at Crown |
0.0593in / 1.505mm |
0.0587in / 1.492mm |
| Max Overall Length |
0.7323in / 18.6mm |
|
| Notes | ||
|
Diagram |
![]() |
|

![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B1630H |
4B1630HX |
|
| Sizes | STD, .025, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.7701in / 44.961mm |
|
| Max Std Shaft Size |
1.7701in / 44.961mm |
|
| Min Std Tunnel Size |
1.8898in / 48mm |
|
| Max Std Tunnel Size |
1.8903in / 48.013mm |
|
| Max Wall at Crown |
0.0593in / 1.505mm |
0.0587in / 1.492mm |
| Max Overall Length |
0.7323in / 18.6mm |
|
| Notes | ||
|
Diagram |
![]() |
|

| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B1630H |
4B1630HX |
|
| Sizes | STD, .025, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.7701in / 44.961mm |
|
| Max Std Shaft Size |
1.7701in / 44.961mm |
|
| Min Std Tunnel Size |
1.8898in / 48mm |
|
| Max Std Tunnel Size |
1.8903in / 48.013mm |
|
| Max Wall at Crown |
0.0593in / 1.505mm |
0.0587in / 1.492mm |
| Max Overall Length |
0.7323in / 18.6mm |
|
| Notes | ||
|
Diagram |
![]() |
|

|
|
|||||||||||||
| Quantity | 1 | 4 | ||||||||||||
| Crankshaft | 52.964 / 52.951 | 52.964 / 52.951 | ||||||||||||
| Housing | 56.655 / 56.667 | 56.655 / 56.667 | ||||||||||||
| Max Wall | 1.831 | 1.826 | ||||||||||||
| Max Length | 28.049 | 20.099 |

|
|||||||
| Quantity | 4 | ||||||
| Crankshaft | 44.973 / 44.961 | ||||||
| Housing | 48.001 / 48.014 | ||||||
| Max Wall | 1.506 | ||||||
| Max Length | 18.600 |

|
|||||||
| Quantity | 4 | ||||||
| Crankshaft | 47.973 / 47.955 | ||||||
| Housing | 51.001 / 51.013 | ||||||
| Max Wall | 1.504 | ||||||
| Max Length | 17.000 |

|
Product detailed specification |
|
|
Bore size |
83.50mm |
|
Stroke |
83.60mm |
|
Wiseco compression ratio (CR) |
8.5:1 |
|
OEM compression ratio (CR) |
8.0:1 |
|
Dome volume (CC) |
-0.5cm3 |
|
Compression height (CH) |
29.75mm |
|
Pin diameter |
20mm |
|
Features |
Accepts Turbo and Nitrous |
|
Fits for |
Nissan 180SX (S13) 1.8 16V (CA18DET) |


|
|||||||
| Quantity | 4 | ||||||
| Crankshaft | 47.973 / 47.955 | ||||||
| Housing | 51.001 / 51.013 | ||||||
| Max Wall | 1.504 | ||||||
| Max Length | 19.101 |

Athena Racing 338-Serie Mehrlagenstahl (MLS) Zylinderkopfdichtung mit 2 Ölbohrungen.
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 338151R
Dichtungsdicke: 1.50mm
Zylinderdurchmesser: 88.50mm
|
Teilenummer beginnt 338 |
|
|
Athena Vorteile |
|
|
Optimierte Radius Prägeform |
Die runde Form der Prägung erhöht Besiegelung auf Zylinderbohrung, Öl- und Kühlwasserkanäle und und verbessert der Rückfederung Stärke |
|
Fortschrittliche Stoppertechnik |
Der Stand der Technik erhöht den Dichtungsdruck um den Zylinder. Höchste Dichteigenschaften bei Hochleistungsmotoren |
|
Beschichtungstechnik |
Entworfen und konstruiert von Athena die spezielle Beschichtung auf Stahloberflächen aufgebracht, verbessert die |

| Position | 4 | 1 | 2,3 | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pairs & PN |
|
|
|
||||||||||||||||||
| Quantity | 1 | 1 | 2 | ||||||||||||||||||
| Crankshaft | 62.974 / 62.951 | 62.974 / 62.951 | 62.974 / 62.951 | ||||||||||||||||||
| Housing | 66.645 / 66.672 | 66.645 / 66.672 | 66.645 / 66.672 | ||||||||||||||||||
| Max Wall | 1.829 | 1.829 | 1.829 | ||||||||||||||||||
| Max Length | 28.951 | 22.499 | 18.999 | ||||||||||||||||||
| FL O/S |
|

|
|||||||
| Quantity | 5 | ||||||
| Crankshaft | 54.981 / 54.955 | ||||||
| Housing | 58.943 / 58.969 | ||||||
| Max Wall | 1.976 | ||||||
| Max Length | 18.999 |