New LS7 Racetec 12 Deg Dome Pistons - Set of 10 New LS7 Racetec 12 Deg Dome Pistons - Set of 10 Coated Gas Ported Lightened 043, 043, 3mm Ring Grooves 4.160 Bore x 1.150 CH 4.500 cc Dome Volume MSRP: Was: Now: $595.00 Add to Cart