Sizes | STD, .025, .25 |
Oil Clearance | Standard |
Half Type | Identical Halves |
Material | Tri-Metal |
Min. Std Shaft Size | 2.1646in / 54.980mm |
Max. Std Shaft Size | 2.1654in / 55.000mm |
Min. Std Tunnel Size | 2.3228in / 59.000mm |
Max. Std Tunnel Size | 2.3236in / 59.020mm |
Max Wall at Crown | 0.0790in / 2.007mm |
Max Overall Length | 0.7874in / 20.00mm |
Weight | 0.28 |
Notes | 0 |
Camshaft gear info:
• High quality billet aluminum adjustable cam gear from Tommi's Billet for Audi 2.2 Turbo engine.
• Includes cam position shutter wheel required for this engine.
• Works with original Hall sensor.
• Width 21mm.
• Black anodized.
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: 330042R
Gasket thickness: 1.25mm
Bore size: 87.50mm
Part number starting with 330 |
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Athena advantages |
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Reinforced material |
Asbestos free composite raw material OE approved |
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 |
Silicon beading |
Silicon-based beading is applied on critical areas to improve sealing around all cooling water and oil passages |
Product detailed specification |
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Bore size |
100.00mm |
Stroke |
79.00mm |
Wossner compression ratio (CR) |
8.0:1 |
OEM compression ratio (CR) |
8.2:1 |
Dome volume (CC) |
-25.30cm3 |
Compression height (CH) |
30.70mm |
Pin diameter |
23mm |
Fits for |
Subaru Impreza WRX STI (EJ257) |
1,2,3,5 | 4 | |||||||||||||
Pairs & PN |
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Quantity | 4 | 1 | ||||||||||||
Crankshaft | 53.978 / 53.957 | 53.978 / 53.957 | ||||||||||||
Housing | 58.999 / 59.017 | 58.999 / 59.017 | ||||||||||||
Max Wall | 2.499 | 2.499 | ||||||||||||
Max Length | 18.461 | 18.461 |
Position | Connecting rod: 1, 2, 3, 4, 5, 6 |
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Pairs & Part Numbers |
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Quantity | 6 | ||||||
Crankshaft Diameter | 48.992 / 48.974mm | ||||||
Housing Diameter | 53.000 / 53.015mm | ||||||
Max Wall Thickness | 1.994mm | ||||||
Max Length | 16.002mm |
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Quantity | 4 | ||||||
Crankshaft | 51.999 / 51.984 | ||||||
Housing | 55.001 / 55.019 | ||||||
Max Wall | 1.501 | ||||||
Max Length | 16.500 |