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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: 338397R
Gasket thickness: 1.60mm
Bore size: 87.00mm
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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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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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Product detailed specification |
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Bore size |
84.40mm |
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Stroke |
90.00mm |
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JE pistons compression ratio (CR) |
8.0:1 |
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OEM compression ratio (CR) |
8.0:1 |
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Dome volume (CC) |
-25.30cm3 |
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Compression height (CH) |
39.65mm |
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Pin diameter |
22mm |
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Fits for |
Lancia Delta Integrale - 2.0 16V Turbo (HF) |
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| Quantity | 4 | 1 | ||||||||||||
| Crankshaft | 53.000 / 52.989 | 53.000 / 52.989 | ||||||||||||
| Housing | 56.718 / 56.736 | 56.718 / 56.736 | ||||||||||||
| Max Wall | 1.842 | 1.842 | ||||||||||||
| Max Length | 20.701 | 24.201 |
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| Quantity | 4 | 1 | ||||||||||||
| Crankshaft | 53.000 / 52.989 | 53.000 / 52.989 | ||||||||||||
| Housing | 56.718 / 56.736 | 56.718 / 56.736 | ||||||||||||
| Max Wall | 1.842 | 1.842 | ||||||||||||
| Max Length | 20.701 | 24.201 |
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| Quantity | 4 | 1 | ||||||||||||
| Crankshaft | 53.000 / 52.989 | 53.000 / 52.989 | ||||||||||||
| Housing | 56.718 / 56.736 | 56.718 / 56.736 | ||||||||||||
| Max Wall | 1.842 | 1.842 | ||||||||||||
| Max Length | 20.701 | 24.201 |
| ENGINE BEARINGS | ||||
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CON ROD BEARING SET |
MAIN BEARING SET |
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| Part# | Part# | |||
| 4B2904H |
4B2904HX |
5M2908H |
5M2908HX |
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| Sizes | STD, .025, .25 | STD | STD, .025, .25 | STD |
| Oil Clearance | Standard | + 0.001" Extra | Standard | + 0.001" Extra |
| Half Type | Identical Halves | Upper & Lower | ||
| Material |
Tri-metal Hardened steel backs |
Tri-Metal | ||
| Min Std Shaft Size |
1.9995in / 50.787 mm |
2.0862 in / 52.991 mm |
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| Max Std Shaft Size |
2.0003in / 50.807 mm |
2.0866 in / 53.000 mm |
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| Min Std Tunnel Size |
2.1219 in / 53.897 mm |
2.2330 in / 56.717 mm |
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| Max Std Tunnel Size |
2.1226 in / 53.913 mm |
2.2337 in / 56.735 mm |
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| Max Wall at Crown |
0.0605in / 1.536 mm |
0.0600in / 1.523 mm |
0.0726 in / 1.843 mm |
0.0720 in / 1.830 mm |
| Max Overall Length |
0.768 in / 19.50 mm |
0.817 in / 20.75 mm (2908H/HX) 0.955 in / 24.25 mm (2909H/HX) |
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| Notes | - | - | ||
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Diagram |
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2908H & HX - Positions 1,2,4,5
2909H & HX - Position 3
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| THRUSTWASHER SET | ||||
| Part# | Material | |||
| Sizes | Notes | - | ||
