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Product detailed specification |
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Model number |
BMIVN-1030 |
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Head diameter |
33.00mm |
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Stem diameter |
5.97mm |
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Length |
106.10mm |
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Material |
Black nitrided stainless steel |
|
Fits for |
BMW - 1.8 2.5 2.8 3.0 (S42,M42,M50,S50,M52,S52,M54) |

Seat pressure - 83lbs @ 34mm
Open (lift) pressure - 191lbs @ 10mm
Spring coil bind - 20.70mm
Rate - 12.10lbs/mm
Max lift - 13.30mm
Outer spring outer diameter: 27.50mm
Outer spring inner diameter: 20.00mm
Inner spring outer diameter: 20.00mm
Inner spring inner diameter: 15.20mm
Set includes:
Dual springs: 16 pcs. SPR-TS1015-F4R
Titanium retainers: 16 pcs. RET-TS55-T5R
Seats: 8 pcs. SEAT-F4R-EX, 8 pcs. SEAT-F4R-IN

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| Quantity | 4 | ||||||
| Crankshaft | 48.001 / 47.981 | ||||||
| Housing | 51.003 / 51.024 | ||||||
| Max Wall | 1.496 | ||||||
| Max Length | 19.350 |

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| Quantity | 4 | ||||||
| Crankshaft | 51.999 / 51.984 | ||||||
| Housing | 55.001 / 55.019 | ||||||
| Max Wall | 1.501 | ||||||
| Max Length | 16.500 |

Lifter data:
30 pcs. FCP Engineering mechanical racing solid lifters.
Forged steel, nitride hardened surface, HRC 50.
Installed tappet height to camshaft must be adjusted with lash caps (not included).
Lifter adjustment requires:
18pcs. 6mm lash caps
12pcs. 7mm lash caps
Intake lifter data (18 pcs.):
Outer diameter - 23.97mm
Inner diameter - 23.97mm
Outer height - 24.20mm
Stem length - 15.00mm
Stud diameter - 6.00mm
Weight - 26g
Exhaust lifter data (12 pcs.):
Outer diameter - 33.47mm
Inner diameter - 31.50mm
Outer height - 26.00mm
Stem length - 15.00mm
Stud diameter - 7.00mm
Weight - 43g

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Product detailed specification |
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Model number |
BMIVN-1036 |
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Head diameter |
34.00mm |
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Stem diameter |
6.97mm |
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Length |
121.00mm |
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Material |
Black nitrited stainless steel |
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Fits for |
BMW M3 E36 - 3.0 (S50B30) |

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Product detailed specification |
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Bore size |
87.00mm |
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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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Fits for |
Opel 2.0 16V (Z20LET, Z20LEH, Z20LER, Y20LET) |

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Product detailed specification |
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Model number |
TIVN-1014 |
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Head diameter |
33.50mm |
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Stem diameter |
5.98mm |
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Length |
98.55mm |
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Material |
Black nitrided stainless steel |
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Fits for |
Toyota Supra - 3.0 (2JZGE, 2JZGTE) |

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Product detailed specification |
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Bore size |
87.00mm |
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Stroke |
91.00mm |
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JE Pistons compression ratio (CR) |
11.5:1 |
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OEM compression ratio (CR) |
11.3:1 |
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Dome volume (CC) |
-13.20cm3 |
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Compression height (CH) |
32.30mm |
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Pin diameter |
21mm |
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Features |
Accepts Turbo and Nitrous; FSR skirt |
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Fits for |
BMW M3 E46 - 3.2 S54B32 |


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Product detailed specification |
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Bore size |
87.00mm |
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Stroke |
91.00mm |
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JE Pistons compression ratio (CR) |
9.0:1 |
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OEM compression ratio (CR) |
11.3:1 |
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Dome volume (CC) |
-26.00cm3 |
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Compression height (CH) |
32.30mm |
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Pin diameter |
21mm |
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Features |
Accepts Turbo and Nitrous; FSR series skirt |
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Fits for |
BMW M3 E36 - 3.2 (S50B32) |

| ENGINE BEARINGS | ||
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CON ROD BEARING SET |
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| Part# | ||
| 4B1236H |
4B1236HX |
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| Sizes | STD, .025, .25 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Identical Halves | |
| Material |
Tri-metal Hardened steel backs |
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| Min Std Shaft Size |
2.0454in / 51.954 mm |
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| Max Std Shaft Size |
2.0461in / 51.972 mm |
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| Min Std Tunnel Size |
2.1654 in / 55.000 mm |
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| Max Std Tunnel Size |
2.1657 in / 55.010 mm |
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| Max Wall at Crown |
0.0591in / 1.500 mm |
0.0585in / 1.487 mm |
| Max Overall Length |
0.669 in / 17.00 mm |
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| Notes | - | |
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Diagram |
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