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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 338486R
Gasket thickness: 0.85mm
Bore size: 84.00mm
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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 |
| RPM | Litres/Min | Gal/Min | Hi Volume Litres/Min | Hi Volume Gal/Min |
|---|---|---|---|---|
| 600 | 4,9 | 1,29 | 8,5 | 2,25 |
| 3000 | 16,8 | 4,44 | 28,8 | 7,61 |
| 5000 | 41,3 | 10,91 | 51,2 | 13,53 |
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Product detailed specification |
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Bore size |
82.00mm |
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Stroke |
86.40mm |
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JE Pistons compression ratio (CR) |
8.5:1 |
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OEM compression ratio (CR) |
9.3:1 |
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Dome volume (CC) |
-8cm3 |
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Compression height (CH) |
30.86mm |
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Pin diameter |
21mm |
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Features |
Accepts Turbo and Nitrous; Round skirt |
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Fits for |
Audi S4, RS4, A6 - 2.7 30V |
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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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Mahle compression ratio (CR) |
11.5:1 |
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OEM compression ratio (CR) |
11.3:1 |
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Dome volume (CC) |
-13.1cm3 |
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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 |
Lifter info:
Outer diameter - 34.97mm
Inner diameter - 33.10mm
Outer height - 26.30mm
Stem length - 14.70mm
Stud diameter - 7.00mm
Weight - 50g
8 pcs. FCP Engineering mechanical racing solid lifters.
Forged steel, nitride hardened surface, HRC 50.
Installed follower height to camshaft must be adjusted with lash caps (not included).
Valve guide info:
Part number: FCPVGA/20
Material: Bronze
Length: 38mm
Inner diameter: 7mm
Outer diameter: 12.07mm
For intake and exhaust valves
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Product detailed specification |
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Bore size |
82.00mm |
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Stroke |
86.40mm |
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Wiseco compression ratio (CR) |
8.5:1 |
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OEM compression ratio (CR) |
9.5:1 |
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Dome volume (CC) |
-7cm3 |
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Compression height (CH) |
32.71mm |
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Pin diameter |
20mm |
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Features |
Accepts Turbo and Nitrous, Round piston skirt |
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Fits for |
VAG - 1.8T 20V |
| Min Std Shaft Size |
1.7707in / 44.975mm |
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| Max Std Shaft Size |
1.7713in / 44.991mm |
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| Min Std Tunnel Size |
1.8898in / 48.000mm |
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| Max Std Tunnel Size |
1.8904in / 48.016mm |
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| Max Wall at Crown |
0.0588in / 1.493mm |
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| Max Overall Length |
0.709in / 18.00mm |
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| ENGINE BEARINGS | ||
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CON ROD BEARING SET |
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| Part# | ||
| 4B1236H |
4B1236HX |
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| Sizes | STD, .025, .25 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
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| Min Std Shaft Size |
2.0454in / 51.954 mm |
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| Max Std Shaft Size |
2.0461in / 51.972 mm |
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| Min Std Tunnel Size |
2.1654 in / 55.000 mm |
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| Max Std Tunnel Size |
2.1657 in / 55.010 mm |
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| Max Wall at Crown |
0.0591in / 1.500 mm |
0.0585in / 1.487 mm |
| Max Overall Length |
0.669 in / 17.00 mm |
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| Notes | - | |
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Diagram |
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