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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: 338463R
Gasket thickness: 1.35mm
Bore size: 82mm
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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 |
Spring data:
Seat pressure [email protected]
Max lift. 16.00mm
Rate 10.50lbs/mm
Spring coil bind 23.50mm
Set includes:
Dual springs: 16 pcs. SPR-M1005D
Titanium retainers: 16 pcs. RET-M65-T1
Seats: 16 pcs. SEAT-M1007D
Valve seals: 16pcs. VS-H6.6E
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Product detailed specification |
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Bore size |
81.50mm |
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Stroke |
86.40mm |
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Wossner compression ratio (CR) |
8.00:1 |
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OEM compression ratio (CR) |
9.30:1 |
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Dome volume (CC) |
-12.30cm3 |
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Compression height (CH) |
33.40mm |
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Pin diameter |
20mm |
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Fits for |
Audi 2.2 20V Turbo |
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Product detailed specification |
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Bore size |
86.75mm |
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Stroke |
86.00mm |
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Wiseco compression ratio (CR) |
12.5:1 |
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OEM compression ratio (CR) |
10.5:1 |
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Dome volume (CC) |
5.2cm3 |
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Compression height (CH) |
30.19mm |
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Pin diameter |
21mm |
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Features |
Asymmetrical FSR series |
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Fits for |
Opel - 2.0 16V (C20XE) |
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Product detailed specification |
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Bore size |
87.50mm |
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Stroke |
91.00mm |
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Mahle compression ratio (CR) |
12.5:1 |
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OEM compression ratio (CR) |
11.3:1 |
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Dome volume (CC) |
-9.2cm3 |
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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 |
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Fits for |
BMW M3 E46 - 3.2 S54B32 |
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Bore size |
86.50mm |
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Stroke |
86.00mm |
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Mahle compression ratio (CR) |
8.6:1 |
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OEM compression ratio (CR) |
8.5:1 |
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Dome volume (CC) |
-14.0cm3 |
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Compression height (CH) |
34.00mm |
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Pin diameter |
22mm |
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Features |
PowerPak Plus 2618 Alloy & Hard Anodized Top Ring Groove For Extreme Duty Applications |
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Fits for |
Toyota Supra - 3.0 (2JZGTE) |
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 |
| Sizes | STD, .025, .25, .50 |
| Oil Clearance | Standard |
| Half Type | Identical Halves |
| Material | Tri-Metal |
| Min. Std Shaft Size | 2.3616in / 59.984mm |
| Max. Std Shaft Size | 2.3622in / 60.000mm |
| Min. Std Tunnel Size | 2.5197in / 64.000mm |
| Max. Std Tunnel Size | 2.5205in / 64.020mm |
| Max Wall at Crown | 0.0789in / 2.005mm |
| Max Overall Length | 0.7480in / 19.00mm (8297H/HX) 0.5953in / 15.12mm (8298H/HX) 0.8642in / 21.95mm (8299H/HX - Flange) |
| Weight | 0.31 |
| Notes | Thrust in #3 pos. |
