Part number 4B2166H-0.25
ACL Race Series connecting rod bearing kit
Ford Sierra, Escort Cosworth - 2.0 16V (YB, N5)
| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
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| Part# | ||
| 4B2166H |
4B2166HX |
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| Sizes | STD, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
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| Min Std Shaft Size |
2.0468 in / 51.990 mm |
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| Max Std Shaft Size | 2.0472 in / 52.000 mm | |
| Min Std Tunnel Size | 2.1654 in / 55.000 mm | |
| Max Std Tunnel Size | 2.1661 in / 55.020 mm | |
| Max Wall at Crown | 0.0589 in / 1.496 mm | 0.0584 in / 1.483 mm |
| Max Overall Length |
0.792 in / 20.12 mm |
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| Notes | ||
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Diagram |
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| Quantity | 4 | ||||||
| Crankshaft | 51.999 / 51.989 | ||||||
| Housing | 54.999 / 55.019 | ||||||
| Max Wall | 1.491 | ||||||
| Max Length | 19.969 |



Athena Racing 338 series multilayer steel (MLS) cylinder head gasket.
Athena MLS gaskets are designed to suit the requirements of today’s competition engines offering enhanced sealing compared to the OEM product. The gaskets are assembled from 2-5 layers of high quality stainless and spring steels.
Part number 338041R
Gasket thickness: 1.30mm
Bore size: 93.50mm
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Part number starting with 338 |
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Athena advantages |
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Optimized radius embossing shape |
The round shape of the embossing increases sealing on cylinder bore, oil and cooling water passages and improves spring back strength |
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Advanced stopper technology |
State of the technology enhances sealing pressure around the cylinder. Highest sealing properties in high power engines |
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Coating technology |
Designed & engineered by Athena the special coating applied on steel surfaces, improves temperature resistance & reliability of the head gasket |


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Teilenummer beginnt 330 |
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Athena Vorteile |
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Verstärktes Material |
OE genehmigt Asbestfreie Verbund Rohstof |
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Edelstahlringen (AISI304) |
Einzelne Edelstahlringe gewährleisten maximale Besiegelung um die Zylinderbohrungen, unter extremen Bedingungen, auch mit dem NOS-System und/oder Turbo-Aufladung, wenn die MLS Dichtung unfähig abgedichtet Brennkammer arbeitet. Zylinderkopf und Motorblock benötigt keine speziellen Behandlungen. |
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Silikon Beading |
Silikon Beading wird auf kritische Bereiche angewendet zu verbessern Abdichten um alle Kühlwasser- und Ölkanäle. |

Lifter info:
Outer diameter - 34.97mm
Inner diameter - 33.10mm
Outer height - 26.30mm
Stem length - 14.70mm
Stud diameter - 7.00mm
Weight - 50g
16 pcs. FCP Engineering racing mechanical solid lifters.
Forged steel, nitride hardened surface, HRC 50.
Installed follower height to camshaft must be adjusted with lash caps (not included).


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|||||||
| Quantity | 4 | ||||||
| Crankshaft | 51.999 / 51.989 | ||||||
| Housing | 54.999 / 55.019 | ||||||
| Max Wall | 1.491 | ||||||
| Max Length | 19.969 |

|
|||||||
| Quantity | 4 | ||||||
| Crankshaft | 51.999 / 51.989 | ||||||
| Housing | 54.999 / 55.019 | ||||||
| Max Wall | 1.491 | ||||||
| Max Length | 19.969 |

| ENGINE BEARINGS | ||
![]() |
CON ROD BEARING SET |
|
| Part# | ||
| 4B2166H |
4B2166HX |
|
| Sizes | STD, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
2.0468 in / 51.990 mm |
|
| Max Std Shaft Size | 2.0472 in / 52.000 mm | |
| Min Std Tunnel Size | 2.1654 in / 55.000 mm | |
| Max Std Tunnel Size | 2.1661 in / 55.020 mm | |
| Max Wall at Crown | 0.0589 in / 1.496 mm | 0.0584 in / 1.483 mm |
| Max Overall Length |
0.792 in / 20.12 mm |
|
| Notes | ||
|
Diagram |
|
|

| ENGINE BEARINGS | ||
![]() | MAIN BEARING SET | |
| Part# | ||
| 5M2167H | 5M2167HX | |
| Sizes | STD, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material | Tri-Metal | |
| Min Std Shaft Size | 2.2437 in / 56.990 mm | |
| Max Std Shaft Size | 2.2441 in / 57.000mm | |
| Min Std Tunnel Size | 2.3866 in / 60.620 mm | |
| Max Std Tunnel Size | 2.3874 in / 60.640 mm | |
| Max Wall at Crown | 0.0710 in / 1.803 mm | 0.0705 in / 1.790 mm |
| Max Overall Length | 0.935 in / 23.75 mm | |
| Notes | ||
Diagram (Top View) | ||



| ENGINE BEARINGS | ||
![]() |
MAIN BEARING SET |
|
| Part# | ||
| 5M2167H |
5M2167HX |
|
| Sizes | STD, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material | Tri-Metal | |
| Min Std Shaft Size |
2.2437 in / 56.990 mm |
|
| Max Std Shaft Size | 2.2441 in / 57.000mm | |
| Min Std Tunnel Size | 2.3866 in / 60.620 mm | |
| Max Std Tunnel Size | 2.3874 in / 60.640 mm | |
| Max Wall at Crown | 0.0710 in / 1.803 mm |
0.0705 in / 1.790 mm |
| Max Overall Length | 0.935 in / 23.75 mm | |
| Notes | ||
|
Diagram (Top View) |
|
|

| ENGINE BEARINGS | ||
![]() |
MAIN BEARING SET |
|
| Part# | ||
| 5M2167H |
5M2167HX |
|
| Sizes | STD, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material | Tri-Metal | |
| Min Std Shaft Size |
2.2437 in / 56.990 mm |
|
| Max Std Shaft Size | 2.2441 in / 57.000mm | |
| Min Std Tunnel Size | 2.3866 in / 60.620 mm | |
| Max Std Tunnel Size | 2.3874 in / 60.640 mm | |
| Max Wall at Crown | 0.0710 in / 1.803 mm |
0.0705 in / 1.790 mm |
| Max Overall Length | 0.935 in / 23.75 mm | |
| Notes | ||
|
Diagram (Top View) |
|
|