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MAY MOTOR OF THE MONTH!!! JUST $8,400! Normally retails for $8999
408 IRON LONGBLOCK WITH LS9 CNC PORTED BY TMS HEADS
Seasoned IV Iron 6.0
Callies Compstar 4" Stroke 4340 Forged 24x or 58x
Callies Compstar 6.125" H Beam Rods with ARP2000's
King XP Series Rod and Main Bearings
Diamond or Wiseco Pistons with Gas Nitrided Steel Top Rings
NEW LS9 Cylionder Heads CNC Ported byt TMS
ARP Head Studs and Main Studs
Ferrea Stainless Valves with Pac .660 Springs and Ti Retainers
GM MLS Head gaskets, GM Trunion upgraded rockers, GM Lifter Trays, Eaton LS7 Lifters, Custom.080 Pushrods, Billet timing set and Melling select Pump
RATED FOR 1100HP!!!
GEN III to GEN IV Conversion kit available for $250.00!
THIS FULLY ASSEMBLED LONGBLOCK COMES WITH A 12 MONTH UNLIMITED MILEAGE WARRANTY!
If you are getting the motor shipped to you, select "Yes" from the "Shipping+Crate (48 states)" in the drop down menu below. The cost for the crate is already included in with the shipping price, a flate rate of $300 (in 48 states). In order to get this price you will need to select the button that says "local pickup" in with the shipping options when you check out.
*A crate is not required for a customer pickup*
*All stroker motors will come with a stroker windage tray*
Call for any questions: 972-853-2450
We are located at:
545 Justin Pl.
***dealer and wholesale accounts available, call for details***
**please call for rush orders**
We make every effort to keep these motors in stock, however build times can vary. So please call to verify the build time of your motor.
All motors could require minor modifications for install (drill and tap holes or clearancing). These changes are minor and can be performed with simple common tools. Thompson Motorsports is not responsible for the work required nor does this warrant a reason for the return of the product, even in the case of a direct replacement. We are dedicated to customer service and are more than happy to help with the install in any way possible. Please feel free to call or email with any questions or concerns.
All high performance motors will come with no VVTI or DOD. If the vehicle originally had either or both of these you will need to change to a LS2 front cover and LS2 valley cover to eliminate. You will also need to alert your tuner to the changes for PCM changes