2105-4155 350 Small Block Chevy FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.155 inch bore Pin Dia.: 0.927" Comp Height: 1.26" Single Replacement Pistons 1/16" 1/16" 3/16" Ductile Moly

1/16" 1/16" 3/16" Ductile Moly Ring Set for Moderate to High Horsepower Applications

379 Small Block Chevy

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

268 Chevy V6

945 Diameter wrist pin

2105-4155 350 Small Block Chevy FX Series -21cc Dish Top SBC 23 Degree Forged Piston Set 4.155 inch bore Pin Dia.: 0.927" Comp Height: 1.26" Single Replacement Pistons 1/16" 1/16" 3/16" Ductile Moly377 Small Block Chevy, FX, Comp Height: 1. 26, 21cc 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 9. 79, 64cc 9. 22, 70cc 8. 73 *