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|||||||
| Quantity | 4 | ||||||
| Crankshaft | 44.991 / 44.976 | ||||||
| Housing | 48.656 / 48.671 | ||||||
| Max Wall | 1.821 | ||||||
| Max Length | 22.601 |

Athena Racing 338 series multilayer steel (MLS) cylinder head gasket set.
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: 338263R
Gasket thickness: 1.30mm
Bore size: 87.00mm

| ENGINE BEARINGS | ||
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CON ROD BEARING SET |
|
| Part# | ||
| 4B7700H |
||
| Sizes | STD, .25 | |
| Oil Clearance | Standard | |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.9679 in / 49.984 mm |
|
| Max Std Shaft Size | 1.9685 in / 50.000 mm | |
| Min Std Tunnel Size | 2.1140 in / 53.695 mm | |
| Max Std Tunnel Size | 2.1145 in / 53.708 mm | |
| Max Wall at Crown | 0.0722 in / 1.834 mm | |
| Max Overall Length |
0.797 in / 20.25 mm |
|
|
Diagram |
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|
|||||||
| Quantity | 4 | ||||||
| Crankshaft | 50.000 / 49.985 | ||||||
| Housing | 53.696 / 53.708 | ||||||
| Max Wall | 1.834 | ||||||
| Max Length | 20.201 |

Athena Racing 338 series multilayer steel (MLS) cylinder head gasket set.
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: 338010R
Gasket thickness: 1.30mm
Bore size: 80.00mm
|
Part number starting with 338 |
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Athena advantages |
|
|
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 |
|
Advanced stopper technology |
State of the technology enhances sealing pressure around the cylinder. Highest sealing properties in high power engines |
|
Coating technology |
Designed & engineered by Athena the special coating applied on steel surfaces, improves temperature resistance & reliability of the head gasket |





|
Product detailed specification |
|
|
Bore size |
97.00mm |
|
Stroke |
83.00mm |
|
JE Pistons compression ratio (CR) |
10.5:1 |
|
Dome volume (CC) |
-5.5cm3 |
|
Compression height (CH) |
29.87mm |
|
Pin diameter |
23mm |
|
Features |
Accepts Turbo and Nitrous; HD pins |
|
Fits for |
Porsche Cayenne (9PA) 4.8 32V (M48.51) |


| ENGINE BEARINGS | ||
![]() |
MAIN BEARING SET |
|
| Part# | ||
| 5M7807H |
5M7807HX |
|
| Sizes | STD, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material | Tri-Metal | |
| Min Std Shaft Size |
2.1569 in / 54.785 mm |
|
| Max Std Shaft Size | 2.1573 in / 54.795 mm | |
| Min Std Tunnel Size | 2.3122 in / 58.731 mm | |
| Max Std Tunnel Size | 2.3128 in / 58.744 mm | |
| Max Wall at Crown | 0.0765 in / 1.945 mm |
0.0760 in / 1.933 mm |
| Max Overall Length | 0.728 in / 18.50 mm | |
| Notes | ||
|
Diagram |
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