Flag Motorsports
Home Resources News & Builds Contact
About Us Process
All Engines Block Sleeving
Home About About Us Process ResourcesNews & BuildsContact
Flag Motorsports
Engines All Engines Block Sleeving

Stroker LS3 Long Block - from $12,999.00

One to two month timeframe from order to delivery

  • 650 horsepower, 600 lbs.-ft torque*

  • Optional 5 axis cylinder head CNC porting or aftermarket heads

  • Optional billet valve covers

  • Optional dressing, including accessory drive and engine management.

*exact rating depends on intake choice.

Flag MotorsportsMarch 5, 2024LS3, Stroker, Longblock, LS
Facebook0 Twitter LinkedIn0 Pinterest0 0 Likes
Previous

Cammed LS3 Long Block - from $9,999.00

Flag MotorsportsMarch 5, 2024LS3, Cammed, Longblock, LS
Next

427 Long Block - from $15,999.00

Flag MotorsportsMarch 5, 2024427, Longblock, Performance, LS
 
 
 

Information

Monday-Friday, 12pm PST - 7pm PST

635 N Twin Oaks Valley Road #3, San Marcos CA 92069

(760) 410-8997

Engines

Engine Packages

Process

Custom

About

About Us

Contact Us

FAQ

Resources

Resources

Engine Break In Procedure

Policies

Tuning

As seen on:

 
Flag Motorsports is proud to offer a 10% Military/First Responder discount on labor for engine assembly projects.
Based in Southern California, serving clients in all 50 states.
© 2025 Flag Motorsports, INC. All rights reserved.