All Speedmaster alloy cylinder heads are made using a superior "gravity die" cast process. These heads are flow tested on a Superflow SF600 at 28 inches with a 1/2 inch radius intake plate and short stack exhaust tube.

INTAKE / EXHAUST GASKETS
4-cyl. 2.2 / 2.5:
Intake / Exhaust - MS90947

Chrysler 400:
Intake - Fel Pro 1216
Exhaust - Fel Pro 1414
(May need a small amount of trimming)

Chrysler 318 - 360: (PCE281.1773) Cast Iron
Intake - Mopar #4876049
Exhaust - Mopar #MS95480

Chrysler 318 - 360: (PCE281.1654) Aluminum
Intake - PCE349.1010 or FelPro 1213
Exhaust - SM3275 or Felpro 1413

HEAD GASKETS
The PCE281.1776 4-cyl. head is designed around an OEM head gasket. Use Mopar # P4452006. We recommend you use Fel Pro head gaskets under our Speedmaster PCE281.1728, PCE281.1731 & PCE281.1733 heads. Use Fel P5ro #1009 or 1105 (big bore) On Speedmaster PCE281.1773 we reco

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.

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