PISTONS, 1957 392C.I. HEMI 4.00" BORE
SET OF 8 CAST A-332 ALUM ALLOY PISTONS. 5/64-5/64-3/16 RING PKG
Early Hemi power remains unmatched on the street and the strip. In 1957 the displacement of the earlier Hemis grew to 392 cubic inches and the short-stroke overhead valve Hemi was a favorite of early drag racers and set many speed records. This is a Cast aluminum alloy Hemi 392 pistons with a 3.90˝ stroke at 9.25:1 compression ratio. You can get from 325-375 horsepower on a stock set-up with this set of slugs in your sleeves.