chevy small-block v-8 chevy ls series cylinder heads intake port ... them cathedral-port heads designed for smaller-displacement engines these heads have the ... smallestvalves;2.00-inchi ntakeand1.50-inchexhaust, andthey ... manifolds for ls1 ls2 ls6 and ls vortec engines with cathedral-port heads are mostly ... interchangeable chevy ls series rectangular port l92 style ... ls7 heads in addition to the l92 6.2l engines this port shape is also used on ls3 ... engines and some 6.0l truck engines as well as the corvette zr1 s ls9 and ... cadillac cts-v s lsa supercharged engines intake manifold bolt patterns are ... much and the valves are correspondingly smaller 2.165-inch on the intake side and 1. ... is the highest flowing production head gm has ever made to date they feature ...
