Today i did took apart the head for cleaning and rebuild of it factory 280 cams on both sides intake and exhaust by stampings on them plus dual valve springs, awesome!
here are couple of pics from the parts of these rare 4T heads!
intake cam
exhaust cam, notice how they remark the last 2 numbers from 62 to 80 meaning the cam duration as far as i understand! and the 2 after the 51, to be a 512 in the intake cam it said 511, are those last 2 numbers the lift? i dont know, it may be!
dual valve springs
Toyota stamping on the cam
the whole set of valves ready to get clean and polished.
cam sprockets!
![]()












Reply With Quote