




|
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 |

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Product detailed specification |
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Model number |
HIVN-1021F |
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Head diameter |
35.50mm |
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Stem diameter |
5.48mm |
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Length |
108.85mm |
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Material |
Black nitrited stainless steel |
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Fits for |
Honda K20 K24 |

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Product detailed specification |
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Bore size |
92.00mm |
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Stroke |
75.20mm |
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JE Pistons compression ratio (CR) |
10.0:1 |
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OEM compression ratio (CR) |
12.0:1 |
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Dome volume (CC) |
4.65cm3 |
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Compression height (CH) |
27.51mm |
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Pin diameter |
21mm (tool steel HD pins) |
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Features |
Accepts Turbo and Nitrous; FSR skirt |
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Fits for |
BMW M3 E90 - 4.0 (S65B40) |

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Product detailed specification |
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Bore size |
89.00mm |
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Stroke |
88.30mm |
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JE Pistons compression ratio (CR) |
9.3:1 |
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OEM compression ratio (CR) |
10.0:1 |
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Dome volume (CC) |
-14.20cm3 |
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Compression height (CH) |
32.00mm |
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Pin diameter |
22mm (tool steel HD pins) |
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Features |
Accepts Turbo and Nitrous; FSR skirt |
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Fits for |
BMW M5 F10 - 4.4 (S63B44B) |

| Position | |||||||
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| Pairs & PN |
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| Quantity | 1 | ||||||
| Crankshaft | 66.965 / 66.972 | ||||||
| Housing | 0.000 / 0.000 | ||||||
| Max Wall | 2.510 | ||||||
| Max Length | 18.352 |
