1230571 Ford / Mercury 263 3.375",1.375"ch

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                                                                                Ford / Mercury 263 
Stock bore: 3.187 Block Ht. 10.437 @ .000 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
3.3750 4.125 7.000 1.375 0.187 .187 DOME 389 1230571 3325323375


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