What are a set of l31 vortec heads worth? I can pick up a set for a 100$ or maybe less. Is that a good deal?

 

$200-300 used

 

a brand new pair from GM only cost about $500

so a old used set cant be worth no more than $150

 

Wheres the cheapest place to buy vortecs from?

 

brand new they should be about the same anywhere. summit, jegs, pace performance, scoggin dickey, ect.

 

GM Performance Parts Cast Iron Vortec SBC Heads




Product images may differ from actual product appearance.


Cast Iron Vortec Complete Assembly

America's favorite high performance cast iron small-block cylinder head offers big power and bigger value. The Vortec cylinder head's fast burn combustion chamber and high velocity ports combine to produce big horsepower out of the box. The Vortec head can be midly ported for additional performance and can be milled up to .040'' for increased compression ratio. The Vortec head uses 1.94'' intake valves and 1.50'' exhaust valves to compliment the high velocity port design. The Vortec head out-flows the bow-tie head out of the box and is a 20 to 40 horsepower bolt on increase over earlier cast iron small-block heads. The Vortec requires a Vortec style intake manifold due to its improved manifold mounting flange and gasket design and raised intake ports. It is not recommended that the heads be modified to accept early design intake manifolds. Vortec heads fit all small-block engines produced 1955 to present, excluding LT1/LT4 reverse coolant flow engines and current LS1 style engines. Heads come completely assembled with valves, springs, retainers, and 3/8'' rocker studs. Requires the use of self aligning rocker arms.


Material: Cast Iron
Intake Port Volume: 170cc
Combustion Chamber Volume: 64cc
Vale Diameter: 1.94'' Int./ 1.50'' Exh.
Spark Plugs: Straight
Special Note: Valve Springs - .475 Max Lift








809-12558060 SB-Chevy Cast Iron Vortec Cylinder Head
170cc Intake Ports
64cc Combustion Chambers
1.940'' Int/1.500'' Exh Valves
.475'' Max Lift
Straight Plug
Assembled, Sold Individually



$279.99









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