
CrMo tool steel crankshaft hub to be used with ATI super damper
Lightweight 60-2 trigger wheel made of high tensile Domex steel
ATI super damper shown in the pictures is included
A/C pulley not compatible with the kit
Check/adjust the ignition timing after installing
Comes with mounting hardware

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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 |


| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Upper & Lower | |
| Material |
Tri-metal Hardened steel backs |
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| Min Std Shaft Size |
1.9280in / 48.971mm |
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| Max Std Shaft Size | 1.9286 in / 48.987mm | |
| Min Std Tunnel Size |
2.0472in / 52.000mm |
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| Max Std Tunnel Size |
2.0477in / 52.012mm |
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| Max Wall at Crown |
0.0591in / 1.500mm |
0.0596in / 1.513mm |
| Max Overall Length |
0.760in / 19.30mm |
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| Notes | Upper rod bearing has two oil holes to cover early and late engines. | |
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Diagram |
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Product detailed specification |
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Bore size |
84.00mm |
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Stroke |
89.60mm |
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MAHLE compression ratio (CR) |
10.2:1 |
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OEM compression ratio (CR) |
10.2:1 |
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Dome volume (CC) |
-10.5cm3 |
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Compression height (CH) |
32.40mm |
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Pin diameter |
22mm |
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Features |
Accepts Turbo and Nitrous |
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Fits for |
BMW - 3.0 24V Turbo (S55B30) |

Ventilfedern Daten:
Installierte Sitzdruck - 38kg (84lbs)
Belastung - 92kg@10mm (203lbs@10mm)
Max. Aufzug - bis zu 11mm
Hergestellt aus Chrom-Silizium Stahl SAE9254-V
24 Stk. äußere Federn (Hauptfedern, groß)
24 Stk. innere Federn (Zusatzfedern, klein)
24 Stk. titan Federtellern
24 Stk. Ventilsitze
Mit diesem Satz wird das Risiko des Ventilflatterns und moglichen Motorschadens minimiert.
Für Motoren mit Serien und Renn Nockenwellen und denen Drehzahlen von über 7500 RPM.