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Seat pressure - 85lbs @ 33.5mm
Open (lift) pressure - 212lbs @ 10mm
Spring coil bind - 18.50mm
Rate - 12.50lbs/mm
Max lift - 15.00mm
Outer spring outer diameter: 30.20mm
Outer spring inner diameter: 22.20mm
Inner spring outer diameter: 22.20mm
Inner spring inner diameter: 16.80mm
Set includes:
Dual springs: 16 pcs. SPR-100-BRZ
Titanium retainers: 16 pcs. RET-H1000-BRZ
Seats: 16 pcs. SEAT-H1002-BRZ
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Product detailed specification |
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Model number |
SIVN-1050 |
| Head diameter |
35.00mm |
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Stem diameter |
5.46mm |
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Length |
103.30mm |
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Material |
Black nitrided |
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Fits for |
Subaru BRZ, Scion FR-S - 2.0 (FA20, FA20D) |
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Product detailed specification |
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Model number |
SEVI-1050 |
| Head diameter |
29.00mm |
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Stem diameter |
5.45mm |
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Length |
95.15mm |
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Material |
Inconel |
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Fits for |
Subaru BRZ, Scion FR-S - 2.0 (FA20, FA20D) |
Athena Racing 338-series multilayer steel (MLS) cylinder head gasket set.
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: 338491R + 338492R (2 pcs.)
Gasket thickness: 0.95mm
Bore size: 89.50mm
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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 |
| Sizes | STD, .025, .25, .50 |
| Oil Clearance | |
| Half Type | Identical halves |
| Material | F780 |
| Min. Std Shaft Size | 2.6766in /67.985mm |
| Max. Std Shaft Size | 2.6775in /68.009mm |
| Min. Std Tunnel Size | 2.874in /73mm |
| Max. Std Tunnel Size | 2.8746in /73.016mm |
| Max Wall at Crown | 0.0986in /2.505mm |
| Max Overall Length | 0.6929in /17.6mm |
| Weight | 0 |
| Notes |
