| Mast Motorsports 113-402 LSX 454 C.I. SS 700HP engine, complete with harness & ECM
LSX 454 C.I. SS 700HP engine, complete with harness & ECM,11.8:1 Forged Pistons, Crank & Rods, 7,200 RPM Red Line, Lopey Idle, 18-month limited warranty (minimum 91-93 octane pump gasoline required). NOTE: Does not include accessory drive system, headers or fuel pump. Please specify F-Body, YBody,or Truck balancer, water pump and oil pan when ordering.
The LSX 454 SS’s heart and soul is the new GM Performance LSX iron block. This LSX engine family utilizes a Mast Motorsports engineered camshaft that is custom ground on a Mast Motorsports LS3 cam core. The 454 SS’s foundation is a fully machined iron block with a forged Callies rotating assembly with Mahle pistons that is topped off with Mast Motorsports CNC LS7 casting cylinder heads and a LS7 intake manifold. ARP fasteners are used throughout and Manley pushrods ride on GM Cadillac High RPM hydraulic roller lifters. The LSX 454 SS is the most powerful naturally aspirated pump gas LSX block Street engine to hit the streets.
Every Engine is dyno tested prior to shipment. Dyno testing is performed in our state of the art Super Flo engine test cell. A dyno sheet is provided with each engine. This ensures that your engine delivers the power and performance as advertised. Our engines deliver REAL numbers you cabn count on.
Every engine is hand assembled, precision balanced and blueprinted. We build our engines using only the highest quality components from recognized leaders in the industry. Our tolerances meet or exceed OEM specifications for smooth operation, maximum performance and repeatable results. We take such pride in our engines that we sign and serialize each one.
Every engine is engineered for maximum power with zero engine knock on pump gasoline. The number one killer today of performance engines is engine knock. We utilize pressure sensative sparks plugs costing $3000 each to fine tune each motor for zero engine knock under load all the way up to the red line.You can safely run our engines on 93 octane pump gasoline with no octane boosters or race fuel required.
Every engine includes items others don't.When we say maximum performance and extreme value, we mean it! We include a marine grade fully tuned ECM and tailered wiring harness. They include functions like fuel pump, starter, electric fan,drive by wire throttle body, Vintage Air compatibility and an integrated fuse box system. With our sytem you get to run the factory drive by wire throttle body and functions others don't offer or charge extra for.We literally save you thousand over competitive engines. You choose the balancer, water pumpand oil pan for your application (F-Body, Y-Body or Truck). Then add the headers, accessory brackets, and fuel pressure regulator and you're good to go.
Every engine is backed by a great warranty.We are so confident in our hand built turnkey engines that we back every one of them with a rock solid 18 month limited warranty