| Machined from 2618 T6 high tensile forged aluminum
Dome/Dish features smooth flowing radii and require no deburring or preparation
JE designs are specifically engineered for extreme applications including professional competition
Pins, pin fitment, lock and rings included |
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PRO Series
Std Bore: 78mm |
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| Disp. |
Bore Size |
Over Size |
Piston Kit # |
Comp Ratio |
Gram Weight |
Skirt Style |
Ring # |
Pin # |
Lock # |
Gasket # |
Sleeve # |
 |
| 249cc |
78mm |
STD |
247607 |
13.5:1 |
150 |
FSR |
JG7001-3071 |
630-1650-12-52C |
630-050-MW |
JC7794 |
Deglaze Only |
 |
| 249cc |
78mm |
STD |
274178 |
14.0:1 |
NEW |
FSR |
JG7001-3071 |
630-1650-12-93C |
630-050-MW |
JC7794 |
Deglaze Only |
| 262cc |
80mm |
+2mm |
221772 |
13:1 |
164g |
FSR |
JC3401-3150 |
630-1650-12-52C |
630-050-MW |
JC7795 |
Sleeve |
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