are designed to be direct replacements for the heads that came standard on most GM ... Cylinder Head Assembly with valves for 290 HP This cast iron cylinder head ... base 350 P/N 10067353. The bare head for this assembly is P/N 93438648. 76 cc ... fit 1955-and-later small-blocks except for the LT1/LT4 and LS Family of engines. ... retainer clearance Can be machined for 2.02"/1.60" valves Rocker arm studs ...
head can only be used on 1992-and-newer LT1 and LT4 engines with the reversecoolant ... . It makes the perfect starting point for you to build a high horsepower version ... head Can only be used on 1992-newer LT1 and LT4 engines Completely assembled ... to own the street, this is the head for you! GM Performance Parts has brought ... combustion chamber (62 cc) is designed for flat top pistons, and the head requires ... no additional porting for optimum performance, so it provides ... out-of-the-box performance. Recommended for any standard coolant flow 1955-2000 283 ... top, 7/16" bottom) Dual bolt patterns for perimeter bolt and center bolt valve ... covers Dual bolt patterns for both Vortec and early model intake ... production intake gasket P/N 12529094 for Vortec intakes or dual bolt pattern ...
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nos for lt1 by GM Parts Direct