WISECO-PRO TRU BBC Dome Piston Set 4.310 Bore +21cc PTS522A6

WISECO-PRO TRU Piston and Ring - Pro Tru Street - Dome - Forged - Dome - 4.310 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.