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FRANKENSTEIN ENGINE DYNAMICS

M311 LS3 Cylinder Head Rect-Port Bare

$1,333.50 $1,330.00 Save $3.50

SKU: F03T 113002

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In Stock
Ships by Oct 6
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$100 Minimum Order
Non-Returnable Item
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Overview

The Frankenstein Engine Dynamics M311 LS3 cylinder heads are a high-performance upgrade for LS3 engines. These heads feature fully CNC-ported intake and exhaust chambers with a 68cc chamber volume, 273cc intake ports, and 112cc exhaust ports. They are designed with an 11° valve angle and include Black Nitride Stainless Steel Severe Duty Valves and Titanium Retainers. The M311 heads are built to exceed OEM performance, offering a significant increase in horsepower potential.
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Part #: 113002

Cylinder Head - M311 - Bare - 2.165 / 1.600 in Valve - 273 cc Intake - 71 cc Chamber - Aluminum - LS3 - GM LS-Series - Each

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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Specifications

BrandFRANKENSTEIN ENGINE DYNAMICS
Part NumberF03T 113002
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(760) 282-4645 hello@motormia.co

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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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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