LS Engines

Handbuilt LS engines from Mast Motorsports. Complete your engine with front drives, engine controllers and everything in between.

Engine lead times vary - please call 1-866-551-4916 for delivery estimate.

Click here to request a custom engine with our free engine quote questionaire.

34 products

550 Performance Street Engine

$ 15,495.00

600 Performance Road & Track Engine

$ 18,500.00

630 Performance Race Engine

$ 18,250.00

630 Black Label Street Engine

$ 21,000.00

650 Black Label Road & Track Engine

$ 19,775.00

685 Black Label Crate Engine

$ 24,745.00

800 Black Label Supercharged Engine

$ 28,075.00

900 Black Label Supercharged Engine

$ 31,945.00

700 Black Label Crate Engine IR

LSX 427 Short Block

LS7 427 Short Block

LSX 440 Short Block

LSX 454 Short Block

685 Black Label Race Long Block

$ 18,250.00

650 Black Label Road & Track Long Block

$ 17,495.00

630 Black Label Street Long Block

$ 18,195.00

600 Performance Road & Track Long Block

$ 15,850.00

550 Performance Street Long Block

$ 15,165.00

630 Performance Race Long Block

$ 16,250.00

800 Performance FI Long Block

$ 13,225.00

900 Black Label FI Long Block

$ 18,500.00

850 Unlimited Race Gas Engine

$ 37,575.00

LS7 427 Black Label Harrop Crate Engine - 700HP

$ 28,295.00

Sidewinder Off Road Racing Engine - 630hp

$ 17,000.00

Chupacabra Off Road Racing Engine - 700hp

$ 20,000.00

El Loco Off Road Racing Engine - 850hp

$ 35,000.00

Super Late Model Engine

$ 55,000.00

Sold Out

Hurricane | 750HP Supercharged Airboat Engine

$ 34,999.95

Sold Out

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Cyclone | 550HP Airboat Engine

$ 22,450.00

Sold Out

327ci Factory Mast LS Crate Engine

From $ 14,900.30

350ci Factory Mast LS Crate Engine | 500hp

From $ 15,250.00

370ci Factory Mast LS Crate Engine | 550hp

From $ 16,500.00

427ci Factory Mast LS Crate Engine | 625hp

$ 20,995.00

Dirt Late Model Engine

$ 35,000.00