
JEGSPART NUMBER: 555-514085
Cast Iron Vortec Cylinder Head for 1996-2014 GM 4.3L Vortec V6
$39999$434.99You Save$35.00
More than 10 available4.3L V6
Vortec Cylinder Head1996-2014 GM 4.3L V6 64 cc Combustion Chambers 1.94 in. Intake & 1.50 in. Exhaust Valves 1.250 in. O.D. Valve Springs, .420 in. Max Lift 3/8 in. Rocker Studs Straight Plug Sold Individually
JEGS 555-514085 GM 4.3L V6 Vortec Cast Iron Cylinder Head Features:
- Fits 1996-2014 Chevy 4.3L V6 and 2008-2015 Mercruiser 4.3L V6 engines
- OE-Style Cast Iron Stock Replacement
- Thicker deck for greater strength
- The improved design resists cracking
- Superior port finish for increased flow
- 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 and gaskets to complete installation
- Specifications: 1.940 in. intake Valve, 1.500 in. exhaust valve, .420 in. max lift, straight spark plug design, 3/8 in. rocker arm studs, 64cc combustion chambers, 1.250 in. O.D. valve springs
- Without Exhaust Valve Rotators
- Hardened Exhaust seats
- 3-angle valve finish
- CNC-machined guides and seats
- Assembled in the USA
JEGS 555-514078 Vortec Cast Iron Cylinder Head Notes:
This Cast Iron Vortec Cylinder Head for 1996-2014 GM 4.3L V6 is a bolt-on replacement for GM Casting Numbers 10235772, 12556140, 12553050, and 12557113
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
Part TypeCylinder Head
BrandJEGS
Package Height6.1
Package Width8.8
Package Length16.7
Weight39.3 PG
Part CategoryReplacement Parts
Cylinder Head MaterialCast iron
Rocker Arm Nut Thread Size (In.)3/8 in.-24
Exhaust Valves IncludedYes
Intake Valve Length4.880 in. (123.952 mm)
Engine Make/SizeChevy 4.3L V6 (Vortec)
Retainers IncludedYes
Guideplates IncludedNo
Valve Locks IncludedYes
Exhaust Valve Spring Free Length2.030 in. (51.562 mm)
Exhaust Valve Seat Angle46-degree
Cylinder Head FinishNatural
Intake Valve Spring Open Pressure194-206 lb. @ 1.250 in.
Intake Valve Angle45-degree
Maximum Valve Lift0.420 in (12.065 mm)
Intake Valve Spring Installed Height1.690-1.710 in (42.926-43.434 mm)
Exhaust Valve Spring Open Pressure194-206 lb. @ 1.250 in.
Valve Lock Style7-degree
Number Of Springs Per ValveSingle
Valve Springs IncludedYes
Spark Plug StyleStraight
Guideplate Pushrod Size0.313 in (7.95 mm)
Intake Valves IncludedYes
Intake Valve Seat Angle46-degree
QuantitySold individually
Valve Stem Seals IncludedYes
Intake Valve Diameter1.94 in (49.276 mm)
Exhaust Valve Length4.9280 in (125.171 mm)
Outside Diameter Of Outer Spring1.25 in (31.8 mm)
Combustion Chamber Volume (Cc)64 cc
Intake Valve Spring Free Length2.030 in. (51.562 mm)
Exhaust Valve Spring Installed Height1.690-1.710 in (42.926-43.434 mm)
Exhaust Valve Angle45-degree
Rocker Arm Studs IncludedYes
Intake Valve Spring Closed Pressure76-84 lb. @ 1.700 in.
Cylinder Head StyleAssembled
Valve Stem Diameter0.341 in (8.6614 mm)
Part FitmentDirect Fit
Exhaust Valve Spring Closed Pressure76-84 lb. @ 1.700 in.
Exhaust Valve Diameter1.5 in (38.1 mm)
Package Qty1
Package TypeEA
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