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motown small blockstory the world products street continued ... of the warhawk® line of replacement blocks and cylinder heads for gm s ls1/ls7 and ... c5r offerings world s engineering team has collaborated with leading ... engine builders and racers to create an ls- ... series block that has many important design features ... you won t find in the oem block plus two cylinder heads a 12° ls7x ... to its roots with the venerable small block chevy and introduced the motown line of ... cast iron and aluminum blocks and heads most recently world has ... s generation of powerful big-inch small blocks and there are more new developments on ... .com frequently and see what s new engines are of course a major part of world s ... out that as a primary manufacturer of engine blocks cylinder heads and intakes world ...