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Chevrolet Performance Vortec Top End Kits 12558060
Part Number: NAL-12558060K1
Chevrolet Performance Vortec Top End Kits
TOP END KIT
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Estimated Ship Date from OH, GA: Monday 10/19/2026 Would you rather pick it up?
Kit/Combo Contents
Chevrolet Performance 10105117 - Chevrolet Performance Composition Head Gaskets
Head Gasket, Composite, 4.100 in. Bore, .028 in. Compressed Thickness, Chevrolet, Small Block Gen I, Each
Kit Item Quantity: 2
Chevrolet Performance 12495499 - Chevrolet Performance Head Bolt Kits
Cylinder Head Bolts, Chromoly, Black, Hex, Chevy, Small Block, Stock, Edelbrock Performer/RPM Heads, Kit
Kit Item Quantity: 1
Chevrolet Performance 12550027 - Chevrolet Performance Vortec Intake Manifold Bolts
Bolts, Intake Manifold, Steel, Natural, Hex Head, Chevy, 5.0, 5.7L, Each
Kit Item Quantity: 8
Chevrolet Performance 19436449 - Chevrolet Performance Vortec Cylinder Heads
Cylinder Head, Vortec, Assembled, Cast Iron, Black Powdercoat, 64cc Chamber, 170cc Intake Runner, Square Exhaust Port, Chevy, Small Block Gen I, Each
Kit Item Quantity: 2
Overview
Brand:
Manufacturer's Part Number:
12558060
Part Type:
Product Line:
Summit Racing Part Number:
NAL-12558060K1
Cylinder Heads Included:
Yes
Camshaft Included:
No
Intake Manifold Included:
No
Carburetor Included:
No
Throttle Body Included:
No
Fuel Rails Included:
No
Fuel Injectors Included:
No
Timing Chain and Gears Included:
No
Lifters Included:
No
Gaskets Included:
Yes
Cylinder Head Style:
Assembled
Cylinder Head Material:
Cast iron
Cylinder Head Color:
Natural
Combustion Chamber Volume (cc):
64
CNC-Machined Combustion Chamber:
No
Intake Runner Volume (cc):
170cc
CNC-Machined Intake Runner:
No
CNC-Machined Exhaust Runner:
No
Intake Port Location:
Standard
Intake Port Shape:
Rectangular
Exhaust Port Shape:
Rectangular
Exhaust Port Location:
Standard
Spark Plug Style:
Straight
Intake Valves Included:
Yes
Intake Valve Diameter (in.):
1.940 in.
Exhaust Valves Included:
Yes
Exhaust Valve Diameter (in.):
1.500 in.
Valve Springs Included:
Yes
Damper Spring Included:
Yes
Number of Springs Per Valve:
Single
Retainers Included:
Yes
Retainer Material:
Steel
Locks Included:
Yes
Lock Style:
7 degree
Valve Stem Seals Included:
Yes
Valve Stem Seal Style:
Positive stop
Rocker Arms Included:
No
Rocker Arm Studs Included:
Yes
Rocker Arm Nuts Included:
No
Guideplates Included:
No
Pushrods Included:
No
Valve Covers Included:
No
Valve Cover Mounting Style:
Centerbolt
Accessory Bolt Holes Drilled:
Yes
Valve Guides Included:
Yes
Valve Guide Material:
Manganese bronze
Valve Seats Machined:
Yes
Steam Holes Drilled:
No
Machined for O-Ring:
No
Heat Crossover:
No
Quantity:
Sold as a kit.
Notes:
Kit includes cylinder heads, head gaskets, head bolts , and intake manifold bolts.
Chevrolet Performance Vortec Top End Kits
If you're looking for more horsepower and torque for your engine, Chevrolet Performance Vortec top end kits may be just the ticket! These kits are available for a variety of engines, and each kit is comprised of all the pieces and part components you need to get the job done. Order the Chevrolet Performance Vortec top end kit recommended to fit your engine model.
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