Piston Kits 85.5 - 94mm

Piston kits are available in 85.5, 87, 88, 90.5, 92, & 94mm. They come in "A" (69 thru 76mm cranks) and "B" Stroke (78mm and Larger Cranks).  Maching required on 88 Thick Wall on the Heads,  90.5 and larger kits require maching on Heads and Case. Also under product options are the extra long 94mm Barrels only. One of the options are the AA Brand kits, these kits are very nice and we have built a lot of engines with no issues.  Click Product Options tab to choose the ones you are looking for.