2106-4040 350 Small Block Chevy FX Series -28cc Dish Top SBC 23 Degree Forged Piston Set 4.040 inch bore Pin Dia.: 0.927" Comp Height: 1.26" Piston Ring Kit Option:Pistons - Pins - Locs With DSS Racing Rings in a Kit Because the singles you are

Because the singles you are purchasing were not made at the same time your original pistons were made there will be variations that could effect their weight

Do not indicate the piston skirt diameter

We need the engine block cylinder bore size

329 Small Block Chevy

2106-4040 350 Small Block Chevy FX Series -28cc Dish Top SBC 23 Degree Forged Piston Set 4.040 inch bore Pin Dia.: 0.927" Comp Height: 1.26" Piston Ring Kit Option:Pistons - Pins - Locs With DSS Racing Rings in a Kit Because the singles you are357 Small Block Chevy, FX, Comp Height: 1. 26, 28cc Dish Top, PIN: . 927", Full Floating or Press Fit, Ring Groove: 1. 2 1. 2 3MM, Stroke: 3. 480", ROD: 6, Approx Comp Ratio: 58cc 8. 75, 64cc 8. 28, 70cc 7. 88 *