JAMIE,CHECK OUT THIS STROKE!TO GET 9.9 WITH A VIPER...COST OF NEW VIPER 70,000.00 PLUS 30,000.00 HEADS,CAM,HEADERS,SPRAY EQUALS 100,OOO.00....TO GET 9.5 WITH AN LPE 427 TT CORVETTE...COST OF NEW VETTE 48,000.00 PLUS 50,000.00 EQUALS 98,000.00.WHOS STROKING WHO?LOL..REGARDS!