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Popular Vortec Heads on Amazon
Details on the Best Vortec Heads
- New Aftermarket Stock 5.7L / 350 Vortec Cylinder Head Assembly
- Part # : 10239906 , also fits 062 , 12558062
- Cylinder heads are assembled in the U.S.
- 90-day (Unlimited Miles) Remanufactured Cylinder Head Warranty
- FITS ALL 1955-Present GM small blocks except LT1, LT4, and LS1-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: 1.94” intake / 1.5” exhaust valve, 170cc intake ports, .475” max lift, straight spark plug design, 3/8 “ rocker arm studs, 64cc combustion chambers, 1.25” valve springs
- Cylinder Head, Assembled
- 2.020 / 1.600 in Valves
- 180 cc Intake
- 64 cc Chamber
- ▶️ High grade aluminum, bronze valve guides, hardened seats, advance port design for greater air flow
- ▶️ This head is 200cc intake runner with a 68cc combustion chamber, 68cc combustion chambers improve performance and retains stock compression on 1970 and earlier
- ▶️ Intake Valve Diameter: 2.020" ; Exhaust Valve Diameter: 1.600" ; Intake Port Volume: 200cc
- ▶️ Combustion Chamber Volume: 68cc ; Intake Port: Square ; Exhaust Port: Square
- ▶️ Lighter than Iron Heads. Each Head weighs 10.33kg ; 3-Angle Valve Seat ; Spark Plug Angle : Straight
Newest Vortec Heads
- Features 180cc intake runner, 62cc exhaust runner, 2.02" intake/1.60" exhaust valves, 1.560" max spring pocket diameter
- Cast from premium quality aluminum that shaves 40 lbs. off the nose of your car vs. heavy iron heads
- Comes completely assembled with no accessory bolt holes, just like the original heads
- Improved port/chamber shape for better performance with the 3-angle machined valve job that promotes better flow, especially at low-to-mid lifts
- Designed for 4" bore 1962-86 small block engines (302/327/350)
- Increasing your engine's efficiency is a major way to improve performance and horsepower; the addition of performance-oriented aftermarket heads can greatly improve your engine's output by enhancing airflow and combustion efficiency.
- No manual, professional installation is recommended!
- This cylinder head does not have many stem holes. May require drilling if necessary
- Valves, Springs, Retainers, Hardware not Included
- Ship from United States
- High grade aluminum, bronze valve guides, hardened seats, advance port design for greater air flow
- Perfect fits for SBC engines such as 302, 327, 350, 383 and 400 small block chevy engines up to 1986
- This head is 200cc intake runner with a 64cc combustion chamber, 64cc combustion chambers improve performance and retains stock compression on 1970 and earlier
- This head has a thick deck design so they can be used on nitrous, turbocharged and supercharged applications
- Will fits many popular cars such as Camaro Z28, Chevelle, Monte Carlo, Hot Rods, Street Rods and many more application
- This listing is for a pair of Brand New Chevy 5.7L VORTEC EngineQuest heads
- Highest grade of material used in manufacturing
- Thicker decks for greater strength & superior port finish for increased flow
- Improved flow design to resist cracking & redesigned water flow
- CNC machined guides and seats with a 3 angle valve finish