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motown small blockstory the world products street continued ... from page 2 the biggest news though is the recent launch of the ... warhawk® line of replacement blocks and cylinder heads for gm s ls1/ls7 and ... 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 ... developed a superior 23° head for gm vortec 215cc intakes and a ... for today s generation of powerful big-inch small blocks and there are more new ... as a primary manufacturer of engine blocks cylinder heads and intakes world is ... such impressive horsepower and torque numbers and be totally reliable the secret is ...