

Athena Racing 330 series Cooper Ring cylinder head gasket.
For specific high horsepower applications, engine performance can be significantly improved by using Athena Cooper Ring gaskets, that are supplied with INOX steel ring. This technology outperforms conventional fire ring solutions.
Cooper Rings are oversize (also fits for oversize bores).
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Part number starting with 330 |
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Athena advantages |
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Reinforced material |
Asbestos free composite raw material OE approved |
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Stainless steel ring (AISI304) |
Separate stainless steel rings assure maximum sealing around cylinder bore also on NOS and/or turbo charged engine where boost is over 2 bars. No head and block machining required |
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Silicon beading |
Silicon-based beading is applied on critical areas to improve sealing around all cooling water and oil passages |

Set includes:
1 cylinder head gasket (87.50x0.60mm)
1 valve cover gasket
6 intake manifold gaskets
6 exhaust manifold gaskets
24 valve seals
and etc.
Fits for:
BMW M3 E46 - 3.2 (S54B32)


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Product detailed specification |
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Bore size |
87.00mm |
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Stroke |
91.00mm |
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JE Pistons compression ratio (CR) |
9.0:1 |
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OEM compression ratio (CR) |
11.3:1 |
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Dome volume (CC) |
-29.30cm3 |
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Compression height (CH) |
32.30mm |
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Pin diameter |
21mm |
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Features |
Accepts Turbo and Nitrous; assymetrical FSR series |
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Fits for |
BMW M3 E46 - 3.2 S54B32 |


| Position | Connecting rod: 1, 2, 3, 4, 5, 6 |
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| Pairs & Part Numbers |
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| Quantity | 6 | ||||||
| Crankshaft Diameter | 48.992 / 48.974mm | ||||||
| Housing Diameter | 53.000 / 53.015mm | ||||||
| Max Wall Thickness | 1.994mm | ||||||
| Max Length | 16.002mm |


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| Quantity | 6 | ||||||
| Crankshaft | 44.991 / 44.973 | ||||||
| Housing | 48.001 / 48.016 | ||||||
| Max Wall | 1.491 | ||||||
| Max Length | 18.001 |

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Product detailed specification |
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Bore size |
87.25mm |
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Stroke |
91.00mm |
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Wiseco pistons compression ratio (CR) |
11.1:1 |
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OEM compression ratio (CR) |
11.3:1 |
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Dome volume (CC) |
-14.00cm3 |
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Compression height (CH) |
32.00mm |
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Pin diameter |
21mm |
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Features |
Accepts Turbo and Nitrous; Full round piston skirt |
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Fits for |
BMW M3 E46 - 3.2 S54B32 |
