Description:

For sale is my thompson motorsports forged 5.3 iron LS 3.80 with paperwork,built for boost for around 1000-1200hp,serious inquiries can message for info:


Gen IV sleeved bored block 3.80
Ported stock casting heads
Cam motion custom grind
Billet timing
Titanium valvetrain
Wiseco pistons
Manley rods
New 24x gm crank when built
King bearings
Arp hardware head and main studs

comes with mighty mouse catch can,new in box motion coolant crossover,tci flexplate 399753,all sensors,waterpump,basically just needs and intake,injectors rails,and serpentine system to be complete,would cost $10k to build this engine easy,shortblock was over 5k alone, was never raced,just street driven, ready to drop in!this engine has only been ran on 93 premium octane gas,no e85!has roughly 3k miles on it and thats being generous,has less,price is $6000,thanks for looking