Sportsman Series 408 LS

Sportsman Series 408 LS – 720 HP @ 7200 RPM 🏁

Built for racers who demand proven performance and reliability, the Sportsman Series 408 is the perfect balance of horsepower, durability, and budget. Making a strong 720 HP @ 7200 RPM, this LS engine is race-ready and backed by premium components throughout.

🛠️ Premium Components

-4340 Forged Crankshaft & Rods 

-Siebert Designed Wiseco Forged Pistons 

-PRC CNC Ported Cylinder Heads 

-Comp Cams Hydraulic Roller Camshaft 

-Low-Maintenance Hydraulic Roller Valvetrain

-ARP Fasteners

-Plus more top-shelf components chosen for strength and consistency

⚡ Upgrade Options Available

Take your engine to the next level with Siebert Performance upgrades:

-Sportsman Series Carburetor (tuned in-house for max performance)

-Billet Carburetor Spacer

-Electric Water Pump

-High-Torque Mini Starter

-SFI-Approved Flexplate

🏆 Why Choose the Sportsman 408 LS?

This engine is engineered for bracket racers and serious drag racers who want consistency, reliability, and real horsepower. Every component is selected for long-lasting performance and proven results at the track.

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👉 Performance That’s Proven to WIN!