performance gains on heavily modified engines the intake is engineered to use gaskets ... features/benefits · fits ls-1 and ls-6 cylinder heads · produces gains of up to 25hp ... notes · does not fit ls-7 will fit ls-2 engines if using a ls-1 or ls-6 throttle body ... 300-111c available late 2006 see page 4 for symbol explanation ls1 ls6 300-111 ... camaro firebird corvette crateengines tech line 270-781-9741 25 ...