GM LS F/T Piston Set w/Rings 3.905 Bore - BLS1112-007-SET - Bullet Series

Piston and Ring - Forged - Flat Top - 3.905 in Bore - 1.305 in Compression Height - 1.5 x 1.5 x 3 mm Ring Grooves - Minus 2.70 cc - GM LS-Series - Kit