CHEVY
Crate motor 350/290 HP
This HP
290/350 is the best value Crate motor from GM Performance
Parts, with 290 horsepower @ 5100 RPM, and 326 lb-ft. of torque
@ 3750 RPM on 87 octane fuel.
The HP 290 horsepower will provide great durability because
of its 4-bolt mains, PM steel rods, strong cast aluminum pistons.
The camshaft has .450" intake and .460" exhaust
lift with hydraulic flat tappets.
The cast iron cylinder heads have 1.94" intake and 1.50"
exhaust valves wit 76 cc combustion chamber. These heads have
the conventional 90 degree with 12 bolt intake manifold attaching
design used from 1955 thru late 1980 12 bolt postion @ 90°
to the intake/headflange.
GM
Performance 350/290 HP Crate motor
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