Product Details
Aluminum Bare Cylinder Head by Speedmaster®. 1 Piece. Combustion Chamber Volume 78 cc. Intake Runner Volume: 325 cc. Competition Valve Job: No. Spark Plug Style: Standard. Cylinder Head Material: Aluminum. 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" with a 1/2 inch radius intake plate and short stack exhaust tube.
Features
- Created by professionals to meet your requirements
- Superior longevity and dependability
- Expertly Crafted using premium-grade materials
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. They recommend you use Fel Pro Head Gaskets under Speedmaster Speedmaster PCE281.1728, PCE281.1731 & PCE281.1733 heads. Use Fel P5ro #1009 or 1105 (big bore) On Speedmaster PCE281.1773 they recommend the Fel Pro #519SD ( on Magnum Engines), or #1008 (on LA-series Engines). For the new Speedmaster PCE281.1654 Aluminum heads, they only recommend using Speedmaster PCE348.1010 or Felpro #1008 Head Gaskets.
Head Bolts / Studs
For the PCE281.1776 4-cyl. head, use ARP #241-3701 (bolts) or #241-4701 (studs), and follow ARP's recommended torque values. Also, make sure you follow the OEM torque sequence! For the PCE281.1728, PCE281.1731 and PCE281.1733 use Speedmaster head stud kit PCE279.1018. Torque to 65lbs. using high pressure Moly lube on the threads and under the heads. The Arp is for the Big Block 440 heads are #145-3609 (bolts) and #145-4206 (studs) For the Small Block Chrysler heads, use Speedmaster PCE279.1017 head stud kit and torque the heads to 65lbs with Moly Lube.
Sparkplugs
For the 4-cyl. Chrysler head, use the following: Autolite 65, or AP65 Champion RN12YC or 3405 NGK GR4 or GR4GP
For the V8 Chrysler heads, the following is a small list of Spark Plugs you can use: NGK - BCPR6ES, R5671A-7, R5671A-8 Autolite - 3923, 3924, AR3933, AR3934 Champion - RC12YC, RC10YC4, RC9YC3
Remember that you need a COLDER plug when you make more power, ie. N2O, turbo and Supercharging
.Founded in 1979, Speedmaster® has become a leader in its field, built on a long term consistency of being a specialist in aftermarket automotive components. It began as a small speed workshop building engines for customers as a hobby, and now the company has grown from a one-man bricks-and-mortar business into a worldwide high-performance powerhouse known for assembling, manufacturing and racing high-performance engine parts. Speedmaster’s mission is to push innovation boundaries to create visually distinctive DNA, by blending old and new technology into functionality and aesthetics. Its empowered work forced drives innovation not only in the products it makes but with the way it goes about doing it. The ultimate token of precision, Speedmaster is the world’s only major parts manufacturer to equip cars from Standard replacement to Top Fuel Dragsters. Surviving the longevity of road, race and recreation is mandatory for all Speedmaster “Track Proven” products, bringing you closer to product perfection.