


|
Product detailed specification |
|
|
Bore size |
84.50mm |
|
Stroke |
89.60mm |
|
JE Pistons compression ratio (CR) |
9.5:1 |
|
OEM compression ratio (CR) |
10.2:1 |
|
Dome volume (CC) |
-22cm3 |
|
Compression height (CH) |
31.60mm |
|
Pin diameter |
22mm |
|
Features |
Accepts Turbo and Nitrous; Ultra series |
|
Fits for |
BMW - 3.0 24V Turbo (N54B30) |

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Product detailed specification |
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Model number |
REVI-28338F-3 |
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Head diameter |
30.00mm |
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Stem diameter |
5.44mm |
|
Length |
108.9mm |
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Material |
Inconel |
|
Fits for |
Renault 2.0 16V (F4R) |


Valve springs data
Installed seat pressure - 38kg
Load - [email protected]
Max. lift - up to 13.10mm
Made from chrome-silicon steel SAE9254-V
24 pcs. outer springs
24 pcs. inner springs
24 pcs. titanium retainers
With this set the risk of valve flutter and a possible engine failure is minimized.
Recommended for engines with series and racing camshafts and over 7600 RPM.
Titanium retainers are very light and strong, helps eliminate valve float.


|
Product detailed specification |
|
|
Bore size |
86.50mm |
|
Stroke |
91.00mm |
|
JE Pistons compression ratio (CR) |
9.0:1 |
|
OEM compression ratio (CR) |
11.3:1 |
|
Dome volume (CC) |
-25.40cm3 |
|
Compression height (CH) |
32.30mm |
|
Pin diameter |
21mm |
|
Features |
Accepts Turbo and Nitrous; FSR skirt |
|
Fits for |
BMW M3 E36 - 3.2 (S50B32) |

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: 338320R
Gasket thickness: 0.65mm
Bore size: 84.10mm
|
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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|||||||
| Quantity | 4 | ||||||
| Crankshaft | 51.999 / 51.984 | ||||||
| Housing | 55.001 / 55.019 | ||||||
| Max Wall | 1.501 | ||||||
| Max Length | 16.500 |