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Engines and Components› Cylinder Heads and Components

Speedmaster

Aluminum Cylinder Head for Mopar Small Block

$1,742.02 $1,070.10 Save $671.92

SKU: PCE281.2146

In Stock
In Stock
Ships by Jul 29
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Speedmaster PCE281.2146 is a complete aluminum cylinder head for Mopar Small Block 318, 340, and 360 engines. It features a 170cc intake runner volume and a 65cc combustion chamber volume. The head is designed with hydraulic flat tappet cam compatibility and supports engines over 400hp with optimized airflow.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandSpeedmaster
Part NumberPCE281.2146
CategoryEngines and Components

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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