#4323302 Cylinder Heads
Casting Years .............. 1985 thru 1988
Application .................. 318/140 HP ~ 2-Barrel
.................................. 318/175 HP ~ 4-Barrel
'High Swirl' Combustion Chamber {Heart-Shaped design}
Factory CC Level ............. 63.5 {Average}
Minimum CC Level .......... 57.2
Intake Valve .................. 1.78"
Intake Port Size ............. .85" Width x 1.87" Tall
Intake Port Volume ......... 122 CC
Exhaust Valve ................ 1.50"
Exhaust Port Size ............ 1.14" Width x 1.59" Tall
Exhaust Port Volume ....... 55 CC
* Heart-Shaped Combustion Chamber
* Narrow Intake Ports
* Induction Hardened Exhaust Seats
* Designed for 'Fast Burn' Engines, to provide for improved 'Low-End' Volumetric Efficiency
* A functional low-to-mid Performance-Level Cylinder Head
Milling Requirements {.0065" = 1 CC}
Casting Years .............. 1985 thru 1988
Application .................. 318/140 HP ~ 2-Barrel
.................................. 318/175 HP ~ 4-Barrel
'High Swirl' Combustion Chamber {Heart-Shaped design}
Factory CC Level ............. 63.5 {Average}
Minimum CC Level .......... 57.2
Intake Valve .................. 1.78"
Intake Port Size ............. .85" Width x 1.87" Tall
Intake Port Volume ......... 122 CC
Exhaust Valve ................ 1.50"
Exhaust Port Size ............ 1.14" Width x 1.59" Tall
Exhaust Port Volume ....... 55 CC
* Heart-Shaped Combustion Chamber
* Narrow Intake Ports
* Induction Hardened Exhaust Seats
* Designed for 'Fast Burn' Engines, to provide for improved 'Low-End' Volumetric Efficiency
* A functional low-to-mid Performance-Level Cylinder Head
Milling Requirements {.0065" = 1 CC}