EngineQuest Cylinder heads are manufactured to meet or exceed the OEM specifications. All assembled Cylinder heads are assembled in the USA.
- Highest grade of material used in manufacturing
- Thicker decks for greater strength
- Superior port finish for increased flow
- Improved flow design to resist cracking
Application Summary:
| Year |
Make/Model |
| 1990-1997 |
Ford Aerostar |
| 1991-2010 |
Ford Explorer |
| 2001-2003 |
Ford Explorer Sport |
| 2001-2005 |
Ford Explorer Sport Trac |
| 2007-2010 |
Ford Explorer Sport Trac |
| 2005-2010 |
Ford Mustang |
| 1990-2011 |
Ford Ranger |
| 1998-2010 |
Mercury Mountaineer |
| Attributes |
| Accessory Bolt Holes Drilled |
Yes |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| CNC-Machined Combustion Chamber |
No |
| CNC-Machined Exhaust Runner |
No |
| CNC-Machined Intake Runner |
No |
| Combustion Chamber Style |
VORTEX |
| Combustion Chamber Volume (cc) |
Stock |
| Country of Origin (Primary) |
CN |
| Cylinder Head Finish |
Natural |
| Cylinder Head Material |
Cast Iron |
| Cylinder Head Style |
Assembled |
| Damper Spring Included |
No |
| Exhaust Port Location |
Standard |
| Exhaust Runner Volume (cc) |
Stock |
| Exhaust Valve Diameter |
1.36 |
| Exhaust Valves Included |
Yes |
| Flow: Exhuast |
Stock |
| Flow: Intake |
Stock |
| Guideplates Included |
No |
| Hazardous Material Code |
N |
| Heat Crossover |
No |
| Intake Port Location |
Standard |
| Intake Runner Volume (cc) |
Stock - +/- 2cc |
| Intake Valve Angle |
Stock |
| Intake Valve Diameter |
1.71 |
| Intake Valves Included |
Yes |
| Life Cycle Status Code |
Available to Order |
| Lock Style |
Steel |
| Locks Included |
Yes |
| Machined for O-Ring |
No |
| Number of Springs Per Valve |
1 |
| Oiling Style |
Rocker arm |
| Retainer Material |
Steel |
| Retainers Included |
Yes |
| Rocker Arm Nuts Included |
No |
| Rocker Arm Studs Included |
No |
| Rocker Arms Included |
No |
| SDR Required Flag |
N |
| Spark Plug Style |
Stock |
| Standard Pack |
Each |
| Steam Holes Drilled |
No |
| Valve Cover Mounting Style |
Perimeter |
| Valve Guide Material |
Iron |
| Valve Guides Included |
Yes |
| Valve Seat Machine Style |
3 Angle Cut |
| Valve Seat Material |
Steel |
| Valve Seats Machined |
Yes |
| Valve Springs Included |
Yes |
| Valve Stem Seal Style |
Metal Clad |
| Valve Stem Seals Included |
Yes |
| GTIN |
00810037940688 |