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Crankshaft gear info:
• This reinforced crankshaft gear has been manufactured specifically for uprated turbo engines, where the original crankshaft gear not withstand the loads
• OEM part number: 034105263A
• Material: 42CrMo4
Length: 2024mm
Width: 30mm
Number of tooth: 253
Gates' timing belts offer a precision fit with easy installation and no interference engine damage - exactly what you've come to expect from the worldwide leader in timing belts.
- Tensile cord reinforced with premium, high-strength glass cords.
- Gripping teeth with aramid fiber technology and high saturation HNBR elastomeric composites for exceptional durability and heat resistance.
- Wear-resistant tooth jacket supported by reinforced nylon fabric and double-tooth stability.
The superior construction of Gates timing belts makes them 300 percent stronger than the standard aftermarket belt while providing up to three times the heat resistance.
| ENGINE BEARINGS | ||
 |
MAIN BEARING SET |
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| Part# | ||
| 5M8309H |
5M8309HX |
|
| Sizes | STD, .025, .25, 0.5 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material | Tri-Metal | |
| Min Std Shaft Size |
2.3616in / 59.984mm |
|
| Max Std Shaft Size |
2.3622in / 60mm |
|
| Min Std Tunnel Size |
2.5197in / 64mm |
|
| Max Std Tunnel Size |
2.5205in / 64.02mm |
|
| Max Wall at Crown |
0.0789in / 2.005mm |
0.0784in / 1.992mm |
| Max Overall Length |
0.748in / 19mm (8297H/HX) 0.5953in / 15.12mm (8298H/HX) 0.9035in / 22.95mm (8309H/HX - Flange) |
|
| Notes | Thrust in #5 pos. | |
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Diagram |
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Product detailed specification |
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|
Bore size |
86.50mm |
|
Stroke |
85.80mm |
|
JE Pistons compression ratio (CR) |
11.5:1 |
|
OEM compression ratio (CR) |
10.8:1 |
|
Dome volume (CC) |
-7.80cm3 |
|
Compression height (CH) |
31.62mm |
|
Pin diameter |
21mm |
|
Features |
FSR series skirt |
|
Fits for |
BMW M3 E36 S50B30 Euro |
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: 338320R
Gasket thickness: 0.65mm
Bore size: 84.10mm
|
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 |
| ENGINE BEARINGS | ||
|
CON ROD BEARING SET |
|
| Part# | ||
| 4B7820H |
4B7820HX |
|
| Sizes | STD, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
|
| Min Std Shaft Size |
1.8898 in / 48.000 mm |
|
| Max Std Shaft Size | 1.8905 in / 48.020 mm | |
| Min Std Tunnel Size | 2.0310 in / 51.587 mm | |
| Max Std Tunnel Size | 2.0315 in / 51.600 mm | |
| Max Wall at Crown | 0.0696 in / 1.768 mm | 0.0691 in / 1.755 mm |
| Max Overall Length |
0.807 in / 20.50 mm |
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| Notes | ||
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Diagram |
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