MAST MOTORSPORTS LS3 416
 

Detroit Speed utilizes Mast Motorsports' engines because their products are to engines and drivelines what Detroit Speed products are to suspensions and chassis'. Mast Motorsports' engines are fully engineered and tested to strict durability and reliability standards. this assures us that we can drive our cars on the streets, run an autocross, or drive our cars hard on an open road course. We are proud to offer Mast Motorsports' engines to our customers.

These engine kits come complete with everything needed for a complete installation including:
• Intake to oil pan
• Proprietary aftermarket ECM
• Mast Motorsports' developed ECM software
• Drive by wire which includes a GM throttle pedal

• Engine harness
• Required O₂ sensors
• Compatible with Vintage Air FrontRunner™ system
• Detroit Speed headers available
 

The LS3 is specially hand-built by the engine builders at Mast Motorsports to give your hot rod or muscle car the exact performance you need. The LS3 provides late model driveability and performance with hot rod character.

The LS3 416 is offered in two configurations; the LS3 416 and the L99 416 SS.
 

The Mast LS3 416 boasts:
Block: 6.2L LS3 Aluminum Block
Heads: L92/LS3 Cylinder heads
Camshaft: A Mast Motorsports Camshaft
Pistons: Mahle Forged and Coated Pistons
Bore x Stroke: 4.070 x 4.000
Compression: 11.2:1

Rev Limit: 6800 RPM
Horsepower: 580HP @6100RPM
Torque: 535 FT-LB @5800RPM

 

The Mast LS3 416 SS boasts:
Block: A GM 6.2L LS3 Aluminum Block
Heads: Mast Motorsports CNC L92/LS3 Cylinder heads
Camshaft: A more aggressive Mast Motorsports Camshaft
Pistons: Mahle Forged and Coated Pistons
Bore x Stroke: 4.070 x 4.000
Compression:11.2:1

Rev Limit: 6800 RPM Rev Limit
Horsepower: 605HP @6300RPM

Torque: 540TQ @5400RPM