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An easy way to gain 20–40 horsepower on any 1955-and-newer Small-Block Chevrolet V-8 (except later-style LT1/LT4 engines with reverse-flow cooling) is by installing a set of Vortec cylinder heads. These value-priced cast-iron cylinder heads use modified combustion chambers and high-velocity port technology to provide improved airflow performance compared to Gen I-style designs. Vortec cylinder heads significantly outflow non-Vortec service replacement cylinder heads and earlier OEM cast-iron heads. These cylinder heads are ideal for applications up to 350 horsepower, but they require Vortec-specific intake manifolds and center bolt valve covers.

 
 
Displaying 13 - 22 of 22 results
Steel Shim Head Gasket #3830711
3830711
List: $15.89
Price: $15.27
3830711 Steel Shim Head Gasket
Overhaul Gasket Kit 19201171
19201171
List: $107.75
Price: $103.46
19201171 Overhaul Gasket Kit
Fits 350 Ho And Circle Track Engine P/N 88958602 And P/N 19258602
Overhaul Gasket Kit 19201172
19201172
List: $215.83
Price: $207.19
19201172 Overhaul Gasket Kit
Fits 350 HO And Circle Track Engine P/N 88958602 And P/N 19258602
Composition Head Gasket # 12557236
12557236
List: $49.36
Price: $47.39
12557236 Composition Head Gasket

will be replaced by 12732510 in the future
Heavy-Duty Composition Head Gasket # 10185054
10185054
List: $48.31
Price: $46.38
10185054 Heavy-Duty Composition Head Gasket, Replaces 14011041
Cylinder Head Installation Kit (5.7L L31 Engine) # 12499223
12499223
List: $161.94
Price: $155.47
12499223 Cylinder Head Installation Kit (5.7L L31 Engine)
Composition Head Gasket # 14096405
14096405
List: $51.16
Price: $49.11
14096405 Composition Head Gasket
Cylinder Head Dowel Pin 585927
585927
List: $3.27
Price: $2.32
585927 Cylinder Head Dowel Pin
Pin 12570326
12570326
List: $7.20
Price: $5.46
12570326 Guide Pin
Seal, Vlv Stem Oil 10212810
10212810
List: $7.41
Price: $5.55
10212810 Seal, Valve Stem Oil
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