“RACE TEC PISTONS SBC Dished Piston Set 4.155 Bore -24.8ccPiston – AutoTec – Forged – Dished – 4.155 in Bore – 1.5 x 1.5 x 3.0 mm Ring Grooves – Minus 24.80 cc – Small Block Chevy – Set of 8 1000209” has been added to your cart. View cart