SPORTSMAN RACING PRODUCTS SBC Flat Top Pro-Series Piston & Ring Set 4.040 279480

Piston and Ring - Forged - Flat Top - 4.040 in Bore - 1.260 in Compression Height - 1.20 x 1.50 x 3.00 mm Ring Grooves - Minus 5.00 cc - Small Block Chevy - Kit