Introducing the NEW Thompson Motorsports and Frankenstein Engine Dynamics Cylinder Heads

These LS3 heads are a part of Frankenstein’s Monster Series, made for Thompson Motorsports and our incredible customers.

TMS Edition Frankenstein M311 6 bolt 273CC 11* Square Port Heads:

• Frankenstein 11* ls3 heads 273cc intake 112cc exhaust with 72cc chamber

• Manley severe duty stainless valves

• PAC .007" platinum springs
• Titanium retainers
• Chromoly locators

• 0.750 Deck Structure

• 7/16" Stud Size for Main bolts

Made in the USA by the incredible team over at Frankenstein Engine Dynamics, these heads are sure to pull some serious power!

*Price per set (2 heads)*

Select billet rocker rails to use stock rockers