10° man o war 18° raised port 275 285 intake heads ... head assembled head assembled head des 18degree18degree18degree18degree18 ... degree18degree18degree 10 degree 10 degree 10 degree 10 degree 10 degree ... 10 degree in 200cc 200cc 200cc 200cc 235cc 235cc ... the ideal street/strip head the new 18° man o war comes with 200cc or 235cc ... valves and rocker arm studs parallel at 18° compatible with oem valve train ... aluminum 302/351 ford cylinder heads 18° valve angle and 10° valve angle new ...