El Loco Off Road Racing Engine - 850hp

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  • Regular price $ 35,000.00
Shipping calculated at checkout.


Yup....thats spanish for crazy and this engine lives up to that. This is it, the top of the line, the King of The Hill. Mast Motorsports El Loco Off Road Racing Engine features Mast Black Label LS7 305 heads and our single plane race intake making 850hp.

We know you spared no expense on the other components of your rig so we spare no expense on the components of our engines.

Horsepower: 850 hp
Torque:
700 tq
Streetability: 
Ok
Idle Quality: 
Rough/Choppy

Type: LSX Tall Deck 7.6L
Displacement: 466 Cubic Inches
Compression Ratio: 12.5:1
Bore x Stroke: 4.165 x 4.250
Rev Limit: 7250 RPM
Crank: Callies Magnum Forged
Rods: Callies Ultra H-Beam
Pistons:  Diamond 2618 Alloy
Cam: Mast Custom Race
Heads: Mast Black Label LS7 305 Heads with Mast Premium solid roller dual spring kit.
Intake Valves: Titanium Stainless
Exhaust Valves: Inconel Stainless
Intake: Mast Single Plane Race Intake
Valve Springs: Mast Dual Solid Roller

Other Components:
ARP Main Stud Kit
Mast Motorsports Custom Race Cam ground on a premium Billet core
Smith Brothers Chromemoly .080" wall 3/8" Hardened Pushrods
ARP 12-Point Head Stud Kit
Cometic MLS Cylinder Head Gaskets
Jesel Shaft Mount Rocker Arms
Mast Black Label Valve Covers with Ignition Coils
Dailey 5-Stage Drysump System
Rollmaster Billet Double Roller Timing Set
Crower Solid Roller Lifters
Complete GM Sensors
Mast Premium Spark Plug Wire Kit
NGK Spark Plugs
The engine is dyno tested with break-in complete, ready to run when you get it!

*All hp numbers will be within 2% of the advertised number.  

The El Loco Off Road Racing Engine has a Mast Motorsports engineered camshaft that is custom ground on a Mast Motorsports 3 bolt premium billet cam core. This 850 horsepower Off Road Racing Engine's foundation is a honed and decked LSX iron block with a 4.250” forged Callies Magnum rotating assembly with Diamond 2618 Alloy pistons that is topped off with Mast Black Label LS7 305 heads and a Mast Single Plane LS7 4500 intake manifold. ARP fasteners are used throughout and Smith Brothers hardened pushrods ride on Crower Solid Roller lifters.  The El Loco Off Road Racing Engine is the king of the hill offering in our line of Mast Motorsports Off Road Racing engines that are designed for the Ultra 4, Rock Bouncer, Mud Truck markets.  This Off Road Racing LSX based engine utilizes a camshaft that has a strong lope that creates great mid and high RPM power for the customer that will be aggressively racing.


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