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Untitled Document
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L4 Bronze Valve Guides
| Engine Type |
IN/EX Material |
Size |
| L14~L20 |
ABB/PBB |
IN50mm / EX52 or 59mm |
PRICE: $230
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The demands of valve guides are resistance to wear and abrasion, tolerance to high temperature, and seizure. This is only accomplished by combining two metals and precision machining the of the inside of the guide. In addition these guides only allow the minimum valve clearance so that the valves are moving properly during high RPMs.
Product Symbol
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Material
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Description
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| PBB |
Phosphorus Bronze |
With this type, it is possible to decrease the valve clearance by a small amount because of its efficiency at dissipating heat and resistance to sticking valves. |
| ABB |
Aluminum Bronze |
The tolerance to wear, abrasion, and heat is even higher in this model then the PBB type and is ideal for intake valves. |
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