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| Quantity | 4 | ||||||
| Crankshaft | 44.991 / 44.976 | ||||||
| Housing | 48.654 / 48.671 | ||||||
| Max Wall | 1.821 | ||||||
| Max Length | 19.741 |

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).
Part number: 330009R
Gasket thickness: 1.80mm
Bore size: 77.50mm
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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 |

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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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Product detailed specification |
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Model number |
MAEVI-2301D |
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Head diameter |
30.00mm |
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Stem diameter |
5.48mm |
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Length |
104.70mm |
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Material |
Inconel |
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Fits for |
Ford / Mazda (2.0) 2.3 Duratec |

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Product detailed specification |
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Model number |
SEVN-1012-2 |
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Head diameter |
32.50mm |
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Stem diameter |
5.96mm |
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Length |
104.7mm |
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Material |
Black nitrited |
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Fits for |
Sbaru WRX - 2.0 2.5 (EJ20, EJ25) |

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Product detailed specification |
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Model number |
NIVN-1062 |
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Head diameter |
38.15mm |
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Stem diameter |
5.96mm |
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Length |
95.00mm |
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Material |
Black nitrided stainless steel |
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Fits for |
Nissan GT-R - 3.8 (VR38DETT) |

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Product detailed specification |
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Model number |
BMIVN-1006/L |
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Head diameter |
37.00mm |
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Stem diameter |
6.98mm |
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Length |
123.00mm |
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Material |
Black nitrided stainless steel |
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Fits for |
BMW M3, M5 - 2.3, 2.5, 3.6, 3.8 (S14B23, S14B25, S38B36, S38B38) |

Product detailed specification
Manufacturer: FCP Engineering
Model: FCPRHN12155121
Profile: H-beam
C to C: 121.50mm
Big end diameter: 51mm
Pin diameter: 21mm
Quantity: 6 pcs., 12 pcs. ARP2000 3/8" bolts
Made of: forged steel 4340 EN24er
Advertised horsepower rating: 800HP (6 cylinder)
Advertised RPM rating: 9000RPM
Nissan Skyline R32-R34 - 2.5 2.6 (RB25, RB26)

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Product detailed specification |
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Bore size |
82.50mm |
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Stroke |
75.60mm |
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JE Pistons compression ratio (CR) |
8.0:1 |
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OEM compression ratio (CR) |
8.5:1/10.5:1 |
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Dome volume (CC) |
-8.00cm3 |
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Compression height (CH) |
32.80mm |
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Pin diameter |
22mm |
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Features |
Accepts Turbo and Nitrous; FSR series skirt |
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Fits for |
Fiat Coupe Turbo 20V, Bravo HGT Turbo conversion (175A3, 182A1) |

Spring data:
Seat pressure - 75lbs @ 36.50mm
Open (lift) pressure - 155lbs @ 10.00mm
Spring coil bind - 23.20mm
Max lift - 12mm
Rate - 8 lbs./mm
Wide end spring outer diameter - 24.40mm
Wide end spring inner diameter - 17.60mm
Narrow end spring outer diameter - 21.00mm
Narrow end spring inner diameter - 14.30mm
Kit includes:
Single springs - 24 pcs. SPR-FE20N54-BE
Rretainers - 12 pcs. RET-BMN54-TI (5mm)
Retainers - 12 pcs. RET-BMN54-TE (6mm)

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Product detailed specification |
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Bore size |
77.50mm |
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Stroke |
85.80mm |
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Wiseco compression ratio (CR) |
10.1:1 |
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OEM compression ratio (CR) |
11.0:1/10.5:1 |
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Dome volume (CC) |
+1cm3 |
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Compression height (CH) |
28.50mm |
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Pin diameter |
20mm |
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Features |
Round piston skirt |
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Fits for |
Mini Cooper S MKII - 1.6 16V (N12B16A, N14B16A) |

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Product detailed specification |
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Bore size |
84.50mm |
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Stroke |
90.00mm |
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Wiseco compression ratio (CR) |
8.5:1 |
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OEM compression ratio (CR) |
8.0:1 |
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Dome volume (CC) |
-10cm3 |
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Compression height (CH) |
38.94mm |
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Pin diameter |
22mm |
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Features |
Accepts Turbo and Nitrous; Full Round Skirt |
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Fits for |
Lancia Delta HF Integrale / Fiat Coupe turbo 16V |