WISECO-PRO TRU BBC Domed Piston & Ring Set 4.280 Bore +21CC PTS522A3

WISECO-PRO TRU Piston and Ring - Dome - Forged - Dome - 4.280 in Bore - 1.270 in Compression Height - 1/16 x 1/16 x 3/16 in Ring Grooves - Plus 21.00 cc - Big Block Chevy - Kit.