
Part number 7M5532H-0.25
ACL Race Series main bearings
Audi / VW - 2.8 2.9 3.2 3.6 VR6 R32 R36 (BUB, BHK, AES, AUE, ABV, AAA, AMY)

Outer diameter - 32.97mm
Inner diameter - 31.00mm
Outer height - 26.50mm
Stem length - 13.90mm
Stud diameter - 7.00mm
16 pcs. FCP Engineering racing mechanical solid lifters
Forged steel, nitride hardened surface, HRC 50
Installed follower height to camshaft must be adjusted with lash caps (not included)


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| Quantity | 4 | ||||||
| Crankshaft | 44.999 / 44.976 | ||||||
| Housing | 48.001 / 48.024 | ||||||
| Max Wall | 1.504 | ||||||
| Max Length | 19.401 |



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Product detailed specification |
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Bore size |
95.51mm |
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Stroke |
88.40mm |
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Mahle motorsport compression ratio (CR) |
9.0:1 |
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OEM compression ratio (CR) |
9.0:1 |
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Dome volume (CC) |
-4cm3 |
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Compression height (CH) |
34.25mm |
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Pin diameter |
23mm |
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Features |
PowerPak Plus 2618 Alloy & Hard Anodized Top Ring Groove For Extreme Duty Applications |
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Fits for |
Nissan GT-R - 3.2 (V38DETT) |


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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) |

| Sizes | STD, .025, .25 |
| Oil Clearance | Standard |
| Half Type | Upper & Lower |
| Material | Tri-Metal |
| Min. Std Shaft Size | 2.4403in / 61.984mm |
| Max. Std Shaft Size | 2.441in / 62.001mm |
| Min. Std Tunnel Size | 2.5992in / 66.02mm |
| Max. Std Tunnel Size | 2.5998in / 66.035mm |
| Max Wall at Crown | 0.0789in / 2.004mm |
| Max Overall Length | 0.7874in / 20mm (8103H/HX) 0.9055in / 23mm (8104H/HX) |
| Weight | 0.44 |
| Notes | 0 |

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Product detailed specification |
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Bore size |
86.50mm |
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Stroke |
86.00mm |
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Wossner compression ratio (CR) |
8.8:1 |
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OEM compression ratio (CR) |
8.8:1 |
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Dome volume (CC) |
-20.50cm3 |
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Compression height (CH) |
30.40mm |
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Pin diameter |
21mm |
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Features |
Accepts Turbo and Nitrous |
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Fits for |
Opel 2.0 16V Turbo (Z20LET, Z20LEH, Z20LER, Y20LET) |