Minimum Ring End Gaps And Clearance
| Ring | Application | Minimum End Gap Per Inch Of Bore |
|---|---|---|
| Premium Top Rings | Blown Fuel, Alky, Gas | 0.008 |
| Injected Fuel | 0.007 | |
| Blown Fuel, Alky, Gas | 0.0075 | |
| Blown Gas, Street | 0.0065 | |
| Nitrous Less 250hp | 0.0065 | |
| Heavy Nitrous 250hp+ | 0.0075 | |
| Na Alky, Gas | 0.0055 | |
| N.a Gas, Street | 0.005 | |
| Cast Iron Second Rings | Blown Fuel, Alky, Gas | 0.006 |
| Na Alky, Fuel | 0.005 | |
| Na Gas | 0.004 | |
| Third Groove Oil Control Rings | Upper And Lower Rails | .015" min. |
Recommended Piston Clearances
| Minimum Piston To Valve | Normally Aspirated | Int. 090" Exh. .110" |
| Blown | Int. .125" Exh. .175" | |
| Minimum Piston To Head | Steel Rods | .040"-.050" |
Source : http://ariaspistons.com/technical.asp
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