1230080 Flathead Ford / Mercury 255 3.248", 1.435"ch

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                                                                                Ford / Mercury 255 
Stock bore: 3.187 Block Ht. 10.437 @ .002 deck                                                         Ring Grooves: 3/32x3/32x5/32
Bore Stroke Rod Comp. Dome Compression Ratio Gram Part Included
              Number Ring Set
Dome top | Restoration, Performance Street                                                                    blown gas up to 10 PSI, Nitrous
3.2480 4.000 7.000 1.435 0.187 .187 DOME 340 1230080 3325323250


**Plain cast rings included--ring sets included for flathead pistons only **