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Product detailed specification |
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Model number |
MEVI-1009 |
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Head diameter |
31.50mm |
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Stem diameter |
6.54mm |
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Length |
109.60mm |
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Material |
Inconel |
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Fits for |
Mitsubishi EVO 4-9 - 2.0 16V (4G63T) |

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| Quantity | 4 | ||||||
| Crankshaft | 59.974 / 59.952 | ||||||
| Housing | 63.993 / 64.016 | ||||||
| Max Wall | 2.009 | ||||||
| Max Length | 20.221 |

Spring data:
Outer spring outer diameter: 27.50mm
Outer spring inner diameter: 20.00mm
Inner spring outer diameter: 20.00mm
Inner spring inner diameter: 15.20mm
Seat pressure: 80Lbs@33.60mm (seat), 185Lbs@11mm (open/lift)
Spring coil bind: 20.00mm
Max lift: 13.60mm
Rate: 9.60Lbs/mm
Set includes:


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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 |

| ENGINE BEARINGS | ||
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CON ROD BEARING SET |
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| Part# | ||
| 4B2166H |
4B2166HX |
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| Sizes | STD, .25, .50 | 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 |
2.0468 in / 51.990 mm |
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| Max Std Shaft Size | 2.0472 in / 52.000 mm | |
| Min Std Tunnel Size | 2.1654 in / 55.000 mm | |
| Max Std Tunnel Size | 2.1661 in / 55.020 mm | |
| Max Wall at Crown | 0.0589 in / 1.496 mm | 0.0584 in / 1.483 mm |
| Max Overall Length |
0.792 in / 20.12 mm |
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| Notes | ||
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Diagram |
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The all-new addition to the Turbosmart line-up is the fresh air ALV40 (Anti-Lag Valve) for motorsport applications. Featuring a 40mm valve diameter and a purpose designed actuator housing. Multiple fittings are also supplied for ease of fitment and fabrication.
The fresh air valve allows for incoming charged fresh air from the turbo to be diverted safely into the exhaust manifold pre-turbine wheel with the throttle at low opening angles to allow for safer spooling of the turbocharger without the potentially damaging throttle based late combustion event style anti-lag that can induce high engine stresses and break connecting rods.
The ALV is a sealed twin chamber design with the top port being the primary control port, the spring is designed to open under vacuum conditions to allow for the air to bypass into the exhaust manifold, the lower chamber for twin port control methods, to control the valve irrespective of manifold pressure and shaft seal allows for leak proof operation.
Included:

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Product detailed specification |
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Head diameter |
28mm |
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Stem diameter |
7mm |
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Length |
98mm |
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Fits for |
Audi / VW - 1.8 16V, 2.0 16V, 2.2T 20V, 2.3 20V (KR, PL, 6A, 9A, ABF, 3B, AAN, ABY, ADU, 7A) |