Bore 4.25 +.030,.040,060 Stroke 3.38 1.930 will be the stock c.d. If you need less no extra cost. 6.7 cc valve notches (Pistons are not L or R with these notches) Big valve version will be L and R at no extra cost. 6.358 rod. 1.094 pin (.990 pin no cost option) Press or float, new style (round) lock rings included.
