Engines

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Platform: LS Engines | LT Engines

Assembly Level: Longblocks | Dressed Engines | Turn Key Engines

Engine Size: 5.3 | LS3 | LS7

Race Series: Drifting | Offroad

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Flag Motorsports Flag Motorsports

LS3 Long Block - $7,515.00

In stock!

  • 495 horsepower, 475 lbs.-ft torque

  • 10.7:1 compression, all aluminum construction

  • Handbuilt and machined in house

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Flag Motorsports Flag Motorsports

Dressed LS3 - $10,199.00

In stock!

  • 495 horsepower, 475 lbs.-ft torque

  • 10.7:1 compression, all aluminum construction

  • Handbuilt and machined in house

  • Dressed with Alternator, Power Steering + Reservoir, Water Pump, A/C, tensioner, belt, hardware + brackets.

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Flag Motorsports Flag Motorsports

“Turn Key” LS3 - $12,999.00

In stock!

  • 495 horsepower, 475 lbs.-ft torque

  • 10.7:1 compression, all aluminum construction

  • Handbuilt and machined in house

  • Dressed with Alternator, Power Steering + Reservoir, Water Pump, A/C, tensioner, belt, hardware + brackets.

  • Equipped with Haltech or GM ECU including intake, throttle body, fuel rails, injectors, coil packs, wiring, sensors, and handheld.

    *Custom intake paint colors available!

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Flag Motorsports Flag Motorsports

Cammed LS3 Long Block - from $10,599.00

Two week time frame from order to delivery

  • 550 horsepower, 510 lbs.-ft torque*

  • 11.2:1 compression, all aluminum construction

  • 12 month warranty

  • Optional dressing, including accessory drive and engine management.

*exact rating depends on intake choice.

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Flag Motorsports Flag Motorsports

Stroker LS3 Long Block - from $13,799.00

One to two month timeframe from order to delivery

  • 620 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.

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