390 / 427-4V / 428CJ - FE Engines

Single cylinder head from either a 1968 X code 390-2V or 1969 Mercury Cougar with 390-4V or 390-IP engine. Sold as a core, needs thorough cleaning and rebuilding prior to use. Typically this cylinder head has 2.02 and 1.55 inch valves, and the chambers measure out at 71-74cc's. With stock pistons, these heads will net an approximate compression ration of 10.5:1 (9.5:1 with X code). Basic cylinder head number is 6090. These are the GT exhaust manifolds with 14 drilled and tapped exhaust bolt...

The W code Cougar 427 GTE used these heads on a side oiler rotating assembly with a hydraulic cam and Medium Riser aluminum intake - the so called "PI" C7AE version. 427 cylinder heads that have the J's have provision for 14 bolt exhaust manifolds. Low Riser 427 heads use 2.09" / 1.66" valves. Included is a set of machined used valves (16 total)  The C8AE-6090-J heads were also used on the prototype 50 Mustang fastbacks used at the 1968 Winter Nationals - the so - called "135 series"...

Single cylinder head from 1967 Mercury Cougar with 390-4V engine. Sold as a core, needs thorough cleaning and rebuilding prior to use. Typically this cylinder head has 2.02 and 1.55 inch valves, and the chambers measure out at 71-74cc's. With stock pistons, these heads will net an approximate compression ration of 10.5:1. Basic cylinder head number is 6090. These are the GT exhaust manifolds with 14 drilled and tapped exhaust bolt holes.Ford casting numbers C7AE-A. These weigh 48 lbs....

Single cylinder head from 1967 Mercury Cougar with 390-4V engine with California thermactor smog ports. Sold as a core, needs thorough cleaning and rebuilding prior to use. Typically this cylinder head has 2.02 and 1.55 inch valves, and the chambers measure out at 71-74cc's. With stock pistons, these heads will net an approximate compression ration of 10.5:1. Basic cylinder head number is 6090. These are the GT exhaust manifolds with 14 drilled and tapped exhaust bolt holes.Ford casting...

Single cylinder head from 1968-70 Mercury Cougar with 428CJ engine with smog holes. Sold as a core, needs thorough cleaning and rebuilding prior to use. Typically this cylinder head has 2.09 and 1.65 inch valves, and the chambers measure out at 73-76cc's. With stock pistons, these heads will net an approximate compression ration of 10.6:1. Basic cylinder head number is 6090. These are the Cobra Jet exhaust manifolds with 16 drilled and tapped exhaust bolt holes. We won't have these in stock...

Pair of cylinder heads from 1968 Mercury Cougar with 390-4V or 390GT engine with smog holes. Good used heads ready to bolt on and use. Typically this cylinder head has 2.02 and 1.55 inch valves, and the chambers measure out at 71-74cc's. With stock pistons, these heads will net an approximate compression ration of 10.5:1. Basic cylinder head number is 6090. These are the GT exhaust manifolds with 14 drilled and tapped exhaust bolt holes. A low cost alternative to these cylinder heads with...