This is a set of pistons that we pulled from a motor to upgrade to our custom piston package. The specifications are as follows. | Product Line: | Diamond Chevy Big Block Forced Induction Dish | | Part Type: | Pistons | | Bore (in): | 4.500 | | Stroke (in): | 4.250 | | Rod Length (in): | 6.385 | | Piston Material: | Forged aluminum | | Piston Style: | Dish Top | | Compression Distance (in): | 1.270 | | Dish Volume (cc): | -21.0 | | Pin: | .990" x 2.930" | | Piston Ring Grooves: | 1/16" x 1/16" x 3/16" | | Quantity: | Sold as a set of 5 | | Note: | 9.800" Deck height | |
