Welded construction for a stronger hold. LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES THAT MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY. 1963 thru 1967 Chevrolet Corvette C2 V8 327 cu in (SBC) 1968 thru 1982 Chevrolet Corvette C3 V8 305/327/350 cu in (SBC).