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Product detailed specification |
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Model number |
RIVN-28337-1 |
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Head diameter |
32.30mm |
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Stem diameter |
5.47mm |
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Length |
110.0mm |
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Material |
Black nitrited |
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Fits for |
Renault Megane - 2.0 16V (F4RT) |

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Product detailed specification |
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Model number |
LIVN-1001 |
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Head diameter |
34.40mm |
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Stem diameter |
6.98mm |
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Length |
128.80mm |
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Material |
Black nitrited stainless steel |
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Fits for |
Lancia 2.0 16V Turbo |

| ENGINE BEARINGS | ||
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MAIN BEARING SET |
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| Part# | ||
| 5M1644H |
5M1644HX |
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| Sizes | STD, .25, .50 | STD |
| Oil Clearance | Standard | + 0.001" Extra |
| Half Type | Upper & Lower | |
| Material | Tri-metal | |
| Min Std Shaft Size | 2.1243in / 53.958mm | |
| Max Std Shaft Size | 2.1251in / 53.978mm | |
| Min Std Tunnel Size | 2.3228in / 59.000mm | |
| Max Std Tunnel Size | 2.3236in / 59.019mm | |
| Max Wall at Crown | 0.0985in / 2.502mm | 0.0980in / 2.489mm |
| Max Overall Length | 0.728in / 18.49mm | |
| Notes | Set contain 6 x 1648H and 4 x 1644H shells. Use 1648H shell in #4 position as upper and lower. | |
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Diagram |
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| NGINE BEARINGS | ||
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CON ROD BEARING SET |
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| Part# | ||
| 4B2322H |
4B2322HX |
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| Sizes | STD, .025, .25, .50 | STD |
| 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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Engines Opel 4 cylinder 1.8 2.0 2.2 2.4

The 6000 Series Competition Valves are designed to provide excellent reliability in an environment of high spring pressures and roller cams, at a budget price. They have higher fatigue resistance and tensile strengths than our competitor’s best offerings.
To manufacture the valves we use our exclusive two-step slow forging process using EV8 stainless steel on both intake and exhaust valves.We provide a special heat-treatment and stress relieving process, along with hard chrome stems and friction-welded hard tips. We finish with a swirl polished head. The valves feature flow improvements to deliver the power needed for today’s sophisticated racing engines.


Kit includes:
1 x girdle plate (6mm thickness)
14 x spacers
14 x ARP studs

Coil resistance [Ohm]: 12
Fitted with Viton upper and lower o-rings
