the heads that came standard on most GM V-8 small-block engines from 1987-newer ... that you have come to expect from GM. Service Replacement Head Technical ... Straight spark plugs Uses 1.94"/1-50" valves. No heat risers A. 10159552 Bare Cast ... 93438649 Cylinder Head Assembly with valves for 290 HP This cast iron cylinder head ... following components: 14075641 Intake Valves 10241744 Intake Spring Retainer ... 10241743 Exhaust valves 14042575 Exhaust Spring Retainer ... 94666580 Valve Springs 10212810 Intake Seals 24503856 Valve ... Completely assembled with 1.94 /1.50 valves Uses bare head 12529093 64 cc ... than 0.475" lift require machining valve guide bosses and checking valve seal to ... valve spring retainer clearance Can be machined ... for 2.02"/1.60" valves Rocker arm studs can be pinned or ...
) x x x 12558060 Cylinder Head with Valves (Complete) x x x x 12529093 Cylinder ... with Studs) x x x x 10241743 Intake Valve 1.94" x x x x 12550909 Exhaust Valve 1. ... 50" x x x x 10212811 Valve Spring x x x x 10212810 Intake Valve Stem Seal ... x x x x 12564852 Exhaust Valve Stem Seal x x x x 10241744 Valve Spring ... ) x 25534355 Breather, Crank Case Vent Valve Circle Track Engine x 14095256 Push Rod ... Valve x x x x 5232720 Lifter, Hydraulic (Flat ...