Diamond Pistons for LSA/LS9 4.070 Bore 9.5:1 Compression Diamond Pistons for LSA/LS9 4.070 Bore 9.5:1 Compression DMS has teamed up with Diamond Pistons to bring you a higher compression option for the LSA and LS9 engines. These custom pistons have reliefs... MSRP: Was: Now: $1,099.99 Choose Options
