JEGS Small Block Chevy Cast Iron Vortec Cylinder Head for 1996-2002 Chevy 5.7L
555-514080
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Vortec Cast Iron Cylinder Head
JEGS 555-514080 Vortec Cast Iron Cylinder Head Features:
- Fits all 1955-2002 Chevy small blocks except LT1, LT4, and LS-style engines
- Utilizes fast-burn combustion chambers and high-velocity intake and exhaust ports
- Performs great right out of the box and can be mildly ported and milled up to 0.040 inch
- Requires a Vortec-style intake manifold to complete installation
- Specifications: 1.940 in. intake Valve, 1.500 in. exhaust valve, 170cc intake ports, .475 in. max lift, straight spark plug design, 3/8 in. rocker arm studs, 64cc combustion chambers, 1.250 in. O.D. valve springs
JEGS 555-514080 Vortec Cast Iron Cylinder Head Notes:
This Cast Iron Vortec Cylinder Head for Small Block Chevy with 170cc Intake Runners is a bolt-on replacement for the 1996-2002 Chevy 5.7L Truck Engines.
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Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
FAQ
Can I put Vortec heads on an older 350?
- Yes, JEGS Vortec heads, like the 51480, are designed for older 350 engines, providing enhanced performance and efficiency. Ensure compatibility with your specific setup. You will also need to use a Vortec intake manifold when using Vortec heads.
How do I identify my 5.7 Vortec head?
- Identify your 5.7 Vortec head by locating casting numbers and unique features. Consult JEGS resources for detailed guides on recognizing Vortec heads for accurate identification.
How much are Vortec heads worth?
- Pricing for JEGS Vortec heads varies. Check the product page for the latest information on costs and consider the performance benefits they bring to your Chevy 350 engine.
How much HP will Vortec heads add?
- JEGS Vortec heads can add significant horsepower gains to your engine. Exact numbers depend on your setup, but they are known to enhance combustion efficiency for improved performance.
Specifications:
Do I need to change valve springs to run a hyd. roller cam with .450 lift on both intake and exhaust?
Do these have the coolant bypass ?
are self aligning rocker arms required with these heads
Will the valve springs need to be changed on these heads to run a comp 268 hydraulic flat tapper cam. The cam has .454 lift.
Can I run a roller cam for an old style sbc?
I have a 99 4 door Yukon 2wd with the 5.7 Vortec motor. Will these heads be a direct swap for the factory ones? Can a set of roller rockers be used on? My mechanic told me to make sure that the head I order are for a roller cam 5.7.
Do these heads have casting numbers on them
Are the valves stainless steel?
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Electrical Cords
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